(a)
Interpretation:
The new molarity after the addition of water is to be calculated.
Concept Introduction:
The
The number of moles is calculated by the formula,
The molarity is calculated by the formula,
Answer to Problem 56QAP
The new molarity that results when
Explanation of Solution
The initial volume and molarity of
The conversion of units of
The number of moles of a solute is calculated by the formula,
Substitute the values of initial volume and molarity of
It is given that
The conversion of units of
Thus, the total volume is calculated by the formula,
Substitute the values of initial volume and volume of water added in the equation (2).
The new molarity of the solution is calculated by the formula,
Substitute the values of number of moles of solute and final volume in the equation (3).
Therefore, the new molarity that results when
(b)
Interpretation:
The new molarity after the addition of water is to be calculated.
Concept Introduction:
The atomic mass of an element is defined as the sum of number of protons and number of neutrons. Molar mass of an element is determined from atomic mass of an element.
The number of moles is calculated by the formula,
The molarity is calculated by the formula,
Answer to Problem 56QAP
The new molarity that results when
Explanation of Solution
The initial volume and molarity of
The conversion of units of
The number of moles of a solute is calculated by the formula,
Substitute the values of initial volume and molarity of
It is given that
The conversion of units of
Thus, the total volume is calculated by the formula,
Substitute the values of initial volume and volume of water added in the equation (2).
The new molarity of the solution is calculated by the formula,
Substitute the values of number of moles of solute and final volume in the equation (3).
Therefore, the new molarity that results when
(c)
Interpretation:
The new molarity after the addition of water is to be calculated.
Concept Introduction:
The atomic mass of an element is defined as the sum of number of protons and number of neutrons. Molar mass of an element is determined from atomic mass of an element.
The number of moles is calculated by the formula,
The molarity is calculated by the formula,
Answer to Problem 56QAP
The new molarity that results when
Explanation of Solution
The initial volume and molarity of
The number of moles of a solute is calculated by the formula,
Substitute the values of initial volume and molarity of
It is given that
The conversion of units of
Thus, the total volume is calculated by the formula,
Substitute the values of initial volume and volume of water added in the equation (2).
The new molarity of the solution is calculated by the formula,
Substitute the values of number of moles of solute and final volume in the equation (3).
Therefore, the new molarity that results when
(d)
Interpretation:
The new molarity after the addition of water is to be calculated.
Concept Introduction:
The atomic mass of an element is defined as the sum of number of protons and number of neutrons. Molar mass of an element is determined from atomic mass of an element.
The number of moles is calculated by the formula,
The molarity is calculated by the formula,
Answer to Problem 56QAP
The new molarity that results when
Explanation of Solution
The initial volume and molarity of
The conversion of units of
The number of moles of a solute is calculated by the formula,
Substitute the values of initial volume and molarity of
It is given that
The conversion of units of
Thus, the total volume is calculated by the formula,
Substitute the values of initial volume and volume of water added in the equation (2).
The new molarity of the solution is calculated by the formula,
Substitute the values of number of moles of solute and final volume in the equation (3).
Therefore, the new molarity that results when
Want to see more full solutions like this?
Chapter 15 Solutions
INTRO.TO CHEMISTRY >CUSTOM<
- 34. For each of the following solutions, the number of moles of solute is given, followed by the total volume of the solution prepared. Calculate the molarity of each solution. a. 0.754 mol KNO; 225 mL b. 0.0105 in of CaCl; 10.2 mL c. 3.15 mol NaCl; 5.00 L d. 0.499 mol NaBr; 100. mLarrow_forwardWhat mass of a 4.00% NaOH solution by mass contains 15.0 g of NaOH?arrow_forward3.65 Determine the final molarity for the following dilutions. (a) 24.5 mL of 3.0 M solution diluted to 100.0 mL (b) 15.3 mL of 4.22 M solution diluted to 1.00 L (c) 1.45 mL of 0.034 M solution diluted to 10.0 mL (d) 2.35 L of 12.5 M solution diluted to 100.0 Larrow_forward
- Calcium carbonate, CaCO3, can be obtained in a very pure state. Standard solutions of calcium ion are usually prepared by dissolving calcium carbonate in acid. What mass of CaCO3 should be taken to prepare 500. mL of 0.0200 M calcium ion solution?arrow_forwardA large beaker contains 1.50 L of a 2.00 M iron(III) chloride solution. How many moles of iron ions are in the solution? How many moles of chloride ions are in the solution? You now add 0.500 L of a 4.00 M lead(II) nitrate solution to the beaker. Determine the mass of solid product formed (in grams).arrow_forwardCalculate the number of moles and the mass of the solute in each of the following solutions: (a) 2.00 L of 18.5MH2SO4, concentrated sulfuric acid (b) 100.0 mL of 3.8105MNaCN, the minimum lethal concentration of sodium cyanide in blood serum (c) 5.50 L of 13.3 MH2CO, the formaldehyde used to fix tissue samples (d) 325 mL of 1.8106MFeSO4, the minimum concentration of iron sulfate detectable by taste in drinking waterarrow_forward
- 33. For each of the following solutions, the number of moles of solute is given, followed by the total volume of the solution prepared. Calculate the molarity of each solution. a. 0.521 mol NaCl; 125 mL b. 0.521 mol NaCl; 250. mL c. 0.521 mol NaCl; 500. mL d. 0.521 molNaCl; 1.00 Larrow_forwardConsider this question: What mass of a concentrated solution of nitric acid (68.0% HNO3 by mass) is needed to prepare 400.0 g of a 10.0% solution of HNO3 by mass? (a) Outline the steps necessary to answer the question. (b) Answer the question.arrow_forward
- Introductory Chemistry: A FoundationChemistryISBN:9781337399425Author:Steven S. Zumdahl, Donald J. DeCostePublisher:Cengage LearningChemistry for Engineering StudentsChemistryISBN:9781337398909Author:Lawrence S. Brown, Tom HolmePublisher:Cengage Learning
- Living By Chemistry: First Edition TextbookChemistryISBN:9781559539418Author:Angelica StacyPublisher:MAC HIGHERChemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage LearningIntroductory Chemistry: An Active Learning Approa...ChemistryISBN:9781305079250Author:Mark S. Cracolice, Ed PetersPublisher:Cengage Learning