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Cahpter 4 Work Sheet 1. Determine
the molarity of each of the following: (a) 18.92 g of K2Cr07
in 750 mL of water (b) 72.06 g of BaSO4 in 2300 mL of water (c) 14.56 ng of NaCl in 25 uL of water |
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2. What
volume of 0.136 M H2SO4 is required to neutralize 584 mL of
0.37 M KOH? |
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3. What
mass of Al2S3 is produced when 126 mL
of 0.75 M AlCl3 is added
to an excess of 0.45 M Na2S? |
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4. What
mass of magnesium hydroxide is produced when 200 mL
of 0.62 M magnesium nitrate
is add to a solution of excess solution of
sodium hydroxide? |
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5. What
mass of magnesium hydroxide is required to neutralize 237 mL of a
0.24 M solution of phosphoric acid? |
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6. What
volume of 4.5 M nitric acid is required to completely dissolve 2.38 g of chrome metal into the chromium (III)
ion. Nitrogen monoxide gas is produced
in the process> |
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