Concept explainers
(a)
Interpretation:
Molar concentration of each ion found after
Concept Introduction:
Molarity is quantitatively defined as moles of solute in one liter of solution. For example
Where,
(a)
Explanation of Solution
Since in
Similarly for other solution, in
Total moles of solution when two
Total volume of solution when two
The formula to evaluate volume from molarity is given as follows:
Substitute
Since
Since
Hence molar concentration of both
(b)
Interpretation:
Molar concentration of each ion found after
Concept Introduction:
Refer to part (a).
(b)
Explanation of Solution
Since in
Similarly for other solution, in
Total volume of solution upon when two
Substitute
Substitute
Thus total molar concentration of
Since
Since
Hence molar concentration of both
(c)
Interpretation:
Molar concentration each ion found after
Concept Introduction:
Refer to part (a).
(c)
Explanation of Solution
Since in
Since in
Since
Since
Since
Since
Thus total molar concentration of
Hence molar concentration of
(d)
Interpretation:
Molar concentration of each ion found after
Concept Introduction:
Refer to part (a).
(d)
Explanation of Solution
Since in
Since in
Since
Since
Since
Since
Hence molar concentration of
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Chapter 15 Solutions
EBK FOUNDATIONS OF COLLEGE CHEMISTRY
- ssume a highly magnified view of a solution of HCI that allows you to “see” the HCl. Draw this magnified view. If you dropped in a piece of magnesium, the magnesium would disappear, and hydrogen gas would he released. Represent this change using symbols for the elements, and write the balanced equation.arrow_forwardWrite a net ionic equation for any precipitation reaction that occurs when 1 M solutions of the following are mixed. (a) copper(II) sulfate and sodium chloride (b) manganese(II) nitrate and ammonium hydroxide (c) silver nitrate and hydrochloric acid (d) nickel(II) sulfate and potassium hydroxide (e) ammonium carbonate and sodium nitratearrow_forwardA solution of sodium cyanide, NaCN, has a pH of 12.10. How many grams of NaCN are in 425 mL of a solution with the same pH?arrow_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_forwardDescribe in words how you would prepare pure crystalline AgCl and NaNO3 from solid AgNO3 and solid NaCl.arrow_forwardEqual quantities of the hypothetical strong acid HX, weak acid HA, and weak base BZ are added to separate beakers of water, producing the solutions depicted in the drawings. In the drawings, the relative amounts of each substance present in the solution (neglecting the water) are shown. Identify the acid or base that was used to produce each of the solutions (HX, HA, or BZ).arrow_forward
- Oranges and grapefruits are known as citrus fruits because their acidity comes mainly from citric acid, H3C6H5O7. Calculate the concentration of citric acid in a solution if a 30.00-mL sample is neutralized by 15.10 mL of 0.0100 M KOH. Assume that three acidic hydrogens of each citric acid molecule are neutralized in the reaction.arrow_forwardA student tries to determine experimentally the molar mass of aspirin (HAsp). She takes 1.00 g of aspirin, dissolves it in water, and neutralizes it with 17.6 mL of 0.315 M KOH. The equation for the reaction is HAsp(aq)+OH(aq)Asp(aq)+H2OWhat is the molar mass of aspirin?arrow_forwardFollow the directions of Question 7 for solutions of the following: (a) silver nitrate and sodium chloride (b) cobalt(II) nitrate and sodium hydroxide (c) ammonium phosphate and potassium hydroxide (d) copper(II) sulfate and sodium carbonate (e) lithium sulfate and barium hydroxidearrow_forward
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