Concept explainers
(a)
Interpretation:
Mass of each ion found in
Concept Introduction:
Molarity is quantitatively defined as moles of solute in one liter of solution. For example
(a)
Explanation of Solution
Since
Since
The expression to evaluate mass is as follows:
Substitute
Substitute
Thus mass of
(b)
Interpretation:
Mass of each ion found in
Concept Introduction:
Refer to part (a).
(b)
Explanation of Solution
Since
Since
Substitute
Substitute
Thus masses of
(c)
Interpretation:
Mass of each ion found in
Concept Introduction:
Refer to part (a).
(c)
Explanation of Solution
Since
Since
Substitute
Substitute
Thus mass of
(d)
Interpretation:
Mass of each ion found in
Concept Introduction:
Refer to part (a).
(d)
Explanation of Solution
Since
Since
Substitute
Substitute
Thus mass of
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Chapter 15 Solutions
FOUND.OF COLLEGE CHEMISTRY
- One half liter (500. mL) of 2.50 M HCl is mixed with 250. mL of 3.75 M HCl. Assuming the total solution volume after mixing is 750. mL, what is the concentration of hydrochloric acid in the resulting solution? What is its pH?arrow_forwardCalcium 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_forwardTwo liters of a 1.5 M solution of sodium hydroxide are needed for a laboratory experiment. A stock solution of 5.0 M NaOH is available. How is the desired solution prepared?arrow_forward
- Vitamin C has the formula C6H8O6. Besides being an acid, it is a reducing agent. One method for determining the amount of vitamin C in a sample is to titrate it with a solution of bromine, Br2, an oxidizing agent. C6H8O6(aq) + Br2(aq) 2 HBr(aq) + C6H6O6(aq) A 1.00-g "chewable" vitamin C tablet requires 27.85 ml of 0.102 M Br2 for titration to the equivalence point. What is the mass of vitamin C in the tablet?arrow_forwardThe sodium level in a patients blood was measured at 137 mmol/L. If 15.0 mL of blood is drawn from this patient, what mass of sodium would be present?arrow_forwardSome of the substances commonly used in stomach antacids are MgO, Mg(OH)2, and Al(OH)3. a. Write a balanced equation for the neutralization of hydrochloric acid by each of these substances. b. Which of these substances will neutralize the greatest amount of 0.10 M HCl per gram?arrow_forward
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