# what is meant by concentration of a solution short answer

2.0 L of an aqueous solution of potassium chloride contains 45.0 g of KCl. What do you mean by Concentration of a Solution? (a) What happens to the principal repaid by borrowers in a credit card receivable-backed security during the lockout period? Given, Mass of solute, urea = 12 g. Mass of solution = 160 g. Concentration of solution = (12/160) x 100 = 7.5 % Diluting solutions is a necessary process in the laboratory, as stock solutions are often purchased and stored in very concentrated forms. In other words, it is the maximum concentration of a solution. A concentrated solution is one in which there is a large amount of solute in a given amount of solvent. In chemistry, concentration is defined as the abundance of a constituent divided by the total volume of a mixture. When a cell is in a hypertonic solution, osmosis will cause water to flow out of the cell to balance the concentration of solute on either side of the semipermeable membrane. 11. Chemical Kinetics Class 12 Important Questions Short Answer Type – II [SA-II] Question 42. A solution's mass-mass percent concentration is given as the mass of the solute divided by the mass of the solution, which is then multiplied by 100 percent. The mass of the solution is equal to the mass of the solvent added to the mass of the solute. Quiz 4 Solution Short Answer 1. What is the concentration of the acid in g dm-3. The chemicals that can be diluted are gases, vapors and liquids. The concentration of solute in the solution can be equal to the concentration of solute in cells. Suppose we have a solution containing As a solute and B as the solvent. If the solution has a solvent and the solute, a mole fraction gives a concentration as the ratio of moles of one component to the total moles present in the solution. What will the concentration of citric acid be if 25.00 ml of the citric acid solution is titrated with 28.12 mL of 0.1718 N KOH? Explain what is meant by the term coordination failure and provide an example. Ex polar solutes. Concentrated phosphoric acid, H 3 PO 4 was added slowly to water to produce 5.0 dm 3 of diluted acid solution. Give a specific example of concentration involving volume and mass. Percent solution is the solution expressed in the unit %. Tripling the concentration of a reactant increases the rate of a reaction nine times. PERCENT BY MASS. Common example of a solution in every day … Calculate the concentration, in moles of solute per liter of solution, of each of the following: Example: 10 grams of NaOH is dissolved in enough water to make 2 L of solution A solution is composed in majority of a solvent (there is more of it then the solute). What is meant by the concentration of a solution? NCERT NCERT Exemplar NCERT Fingertips Errorless Vol-1 Errorless Vol-2. Solution: N a × V a = N b × V b. Na × (25.00 mL) = (0.1718N) (28.12 mL) Therefore, the concentration of citric acid = 0.1932 N. Question 5. A red blood cell will retain its normal shape in this environment as the amount of water entering the cell is … Percent by mass = #"mass of solute"/"total mass of solution"# × 100 % Example. (b) Increasing the concentration of a reactant by a factor of four increases the rate of a reaction four times. It may be (a) percentage by weight-w/v, (b) percentage by volume-v/v, and (c) molar concentration. If you have a small concentration, find the answer in parts per million (ppm) to make it easier to follow. NCERT DC Pandey Sunil Batra HC Verma Pradeep Errorless. If 20g of salt is present is 220 g of solution, calculate the concentration of solution: NCERT Solutions For Class 9 Science Chapter 2 Long Answer Type Questions. 100 g of pure acid was present in the solution. A first order reaction has a rate constant of 0.0051 min-1. What is meant by "like dissolves like" the more similar the compounds are the more likely one will be soluble in the other. Solvent is a liquid which dissolves the solute. If the osmotic pressure of another solution of glucose is 1.52 bar at The concentration of a solution is the amount of solute present in a given quantity of the solution. It also applies to how much of the acid or base is contained within the solution. What is meant by m/m% concentration of a solution expressed in mass/mass percent. Solution: Calculating concentration in mol dm-3. Books. Smoke is a colloidal solution with solid dispersed in gas. Maths. Some basic terms about solution: Solute is a chemical substance which is dissolved in a solution. Concentration of a solution - The amount of solute dissolved in per 100 gm of the solution. Concentration: Concentration refers to the number of moles per volume are contained within the solution. NCERT P Bahadur IIT-JEE Previous Year Narendra Awasthi MS Chauhan. The standard formula is C = m/V, where C is the concentration, m is the mass of the solute dissolved, and V is the total volume of the solution. This means that, for a given concentration in aqueous solution, the stronger an acid, the lower the pH. Answer: This is a state of affairs in which agents are unable to coordinate their efforts, and hence end up in an equilibrium that leaves them worse off than they would be if they were able to coordinate. Decomposition of hydrogen peroxide yields water and oxygen gas. Conversion from Other Units to w/v % Question 1. Question 1. Oxalic acid is the diprotic acid. Chemistry. Thus you need to dilute a 10X by a factor of ten to obtain your final working solution. Convert the units (mass in grams, volume in mL): mass KCl = 45.0g Explain. The solution particles are closer together. widely used unit for concentration when preparing solutions in chemistry and biology. The following questions relate to credit card receivable-backed securities.Answer each one. Based on this definition, there are two main types of solutions. Question 19. The solution on the right is more dilute (less concentrated). Oxalic acid H2C2O4*2H20 (molar mass = 126.07 g/mol) is often used as a primary standard for the standardization of a NaOH solution. Biology. When a solution has a higher concentration of solute than a cell that it surrounds, the solution is hypertonic. Examples of solutions. Percent by mass (m/m) is the mass of solute divided by the total mass of the solution, multiplied by 100 %.. A concentrated solution of any compound is a solution which has achieved its maximum equilibrium concentration in that solvent. (b) Given: Mass percentage of solution = 20%. Calculate the concentration of the salt solution in g dm-3. This ensures that all parts of the mixture have the same composition. A dilute solution is one in which there is a small amount of solute in a given amount of solvent. (Hint: what is the balanced equation?) A dilute solution is a solution that has very little solute in the solvent. A concentrated solution is one in which there is a large amount of substance present in a mixture. g of solute/grams of solution * 100= m/m% What is meant by m/v% Physics. With this knowledge, answer the following questions: (a) What is the order of the reaction with respect to that reactant? (a) The concentration of a solution is the amount of solute present in a given quantity of the solution. If 0.147 g of oxalic acid dihydrate is neutralized by 23.64 mL of a NaOH solution, what is the molar concentration of the NaOH solution? Dilution can also be achieved by mixing a solution of higher concentration with an identical solution of lesser concentration. 10. Answer to Question #1. In this situation, the cell is in an isotonic solution (iso = equal or the same as normal). In aqueous solution, the compound will dissociate into aluminium cations and sulfate anions. H C Verma Short Answer Solution +91-98801 70515 / +91-87621 74515 contact@thinkIIT.in A is correct. 1. A solution with a high concentration of acid or base has a high number of ions (H+ for acid, OH- for base) is … Diffusion is the process of in which particles (the solute) of a solution move from an area where they are more concentrated to an area where the solute is less concentrated. There are two types of percent concentration: percent by mass and percent by volume.. what is meant by the concentration of a solution ? A solution can be dilute or concentrated. Solution: 3. If we begin with 0.10 M concentration of the reactant, what concentration of reactant will remain in solution after 3 hours? It can be a solid or liquid. Mass of solution = 550 g. Mass of solute = m. Since mass percentage of solution = (mass of solute/ mass of solution) X 100. So, you're dealing with an aluminium sulfate solution. A sugar dissolved in water seems to take on it's characteristics and there is more water than sugar in the solution. (CC-SA-BY-3.0 Tracy Poulsen). The concentration of glucose in his blood before drinking the glucose solution was 80mg per 100cm3. What is the percent by mass of a solution that contains 26.5 g of glucose in 500 g of solution? In other words, the concentration of a solution is the mass of solute in grams present in 100 g of the solution. The concentration of #Al_2(SO_4)_3# in solution will be #"0.073 M"#. Write the equation for aluminium sulfate's dissociation (all the species are in aqueous solution) curriculum-key-fact The more concentrated the solution of an acid, the lower its pH will be. Answer Double circulation is a process during which blood passes twice through the heart during one complete cycle. Hydrogen peroxide (H2O2) is water (H2O) with an “extra” oxygen atom. NCERT RD Sharma Cengage KC Sinha. 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