a) A solution contains 9.54×10-3 M lead acetate and 1.38×10-2 M calcium nitrate. Solid potassium sulfide is added slowly to this mixture. What is the formula of the substance that precipitates first? Formula = ___ What is the concentration of sulfide ion when this precipitation first begins? [S2-] = ___ M b) A solution contains 5.90×10-3 M sodium phosphate and 1.09×10-2 M potassium hydroxide. Solid lead acetate is added slowly to this mixture. What is the formula of the substance that precipitates first? Formula = ___ What is the concentration of lead ion when this precipitation first begins? [Pb2+] = ___ M c) A solution contains 1.32×10-2 M zinc acetate and 6.30×10-3 M copper(II) nitrate. Solid sodium hydroxide is added slowly to this mixture. What is the formula of the substance that precipitates first? Formula = ____ What is the concentration of hydroxide ion when this precipitation first begins? [OH-] = ___ M
a) A solution contains 9.54×10-3 M lead acetate and 1.38×10-2 M calcium nitrate. Solid potassium sulfide is added slowly to this mixture. What is the formula of the substance that precipitates first? Formula = ___ What is the concentration of sulfide ion when this precipitation first begins? [S2-] = ___ M b) A solution contains 5.90×10-3 M sodium phosphate and 1.09×10-2 M potassium hydroxide. Solid lead acetate is added slowly to this mixture. What is the formula of the substance that precipitates first? Formula = ___ What is the concentration of lead ion when this precipitation first begins? [Pb2+] = ___ M c) A solution contains 1.32×10-2 M zinc acetate and 6.30×10-3 M copper(II) nitrate. Solid sodium hydroxide is added slowly to this mixture. What is the formula of the substance that precipitates first? Formula = ____ What is the concentration of hydroxide ion when this precipitation first begins? [OH-] = ___ M
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter4: Types Of Chemical Reactions And Solution Stoichiometry
Section: Chapter Questions
Problem 108AE: Consider a 1.50-g mixture of magnesium nitrate and magnesium chloride. After dissolving this mixture...
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6.
a) A solution contains 9.54×10-3 M lead acetate and 1.38×10-2 M calcium nitrate.
Solid potassium sulfide is added slowly to this mixture.
What is the formula of the substance that precipitates first? Formula = ___
What is the concentration of sulfide ion when this precipitation first begins? [S2-] = ___ M
b) A solution contains 5.90×10-3 M sodium phosphate and 1.09×10-2 M potassium hydroxide.
Solid lead acetate is added slowly to this mixture.
What is the formula of the substance that precipitates first? Formula = ___
What is the concentration of lead ion when this precipitation first begins? [Pb2+] = ___ M
c) A solution contains 1.32×10-2 M zinc acetate and 6.30×10-3 M copper(II) nitrate.
Solid sodium hydroxide is added slowly to this mixture.
What is the formula of the substance that precipitates first? Formula = ____
What is the concentration of hydroxide ion when this precipitation first begins? [OH-] = ___ M
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