Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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11. If 8.5 g of pure ammonium phosphate,
(NH₂),PO (s), is dissolved in distilled water to make
400 mL of solution, what are the concentrations (in
moles per litre) of the ions in the solution?
12. A strip of zinc metal was placed in a beaker that
contained 120 mL of a solution of copper(II) nitrate,
Cu(NO3)2(aq). The mass of the copper produced was
0.813 g. Find the initial concentration of the solution
of copper(II) nitrate.
13. When 75.0 mL of silver nitrate, AgNO₂(aq),
was treated with excess ammonium carbonate,
(NH4)2CO3(aq), 2.47 g of dry precipitate was
recovered. Write the net ionic equation for the
reaction, and calculate the concentration of the
original silver nitrate solution.
14. When an excess of sodium sulfide, Na,S(aq), was
added to 125 mL of 0.100 mol/L iron(II) nitrate,
Fe(NO3)₂(aq), a black precipitate formed. Identify
the precipitate, and calculate the maximum mass of
precipitate that can be collected from the reaction.
15. What mass of silver chloride. AgCl(s), can be
precipitated from 75 ml of 0.25 mol/L silver nitrate,
AgNO3(aq), by adding excess magnesium chloride,
MgCl₂(aq)?
16. What mass of bromine gas can be collected by
bubbling excess chlorine gas through 850 mL of a
0.350 mol/L solution of sodium bromide. NaBr(aq)?
17. What mass of strontium carbonate, SrCO,(s). can be
precipitated trom 50.0 mL of 0.165 mol/L strontium
EU
nitrate, Sr(NO3)2(
carbonate, NaCO3
18. Before it was banne
non-selective toxic
was the active ingre
A chemist measured
thallium(I) sulfate a
potassium iodide to
iodide, TII(s). The m
was 2.45 g. Find the
thallium(I) sulfate so
19. A sample of a substan
ions was dissolved in
volumetric flask. Ther
treated with excess sil-
precipitate of silver chl
dried. The mass of the
a. Calculate the conce
b. If the original substa
NaCl(s), what mass
volumetric flask?
20. Food manufacturers som
Ca(CH₂COO) (s), to sat
When analyzed. a 250 m
was found to contain 0.28
a. Find the molar concer
acetate solution.
acer
b. What mass of calcium
make the solution?
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