1. An aqueous solution of potassium thiosulfate is prepared by dissolving 3.70 g of potassium thiosulfate...
1. An aqueous solution of potassium thiosulfate is prepared by
dissolving 3.70 g of potassium thiosulfate in 7.11×102 g
of water. The density of the solution is 1.37 g
mL-1.
a) Determine the mass percent of potassium thiosulfate in the
solution.
b) Determine the mole fraction of potassium thiosulfate in the solution.
2. An aqueous solution of potassium bromide is prepared by
dissolving 8.75 g of potassium bromide in 8.29×102 g of
water. The density of the solution is 1.20 g mL-1.
Determine the molarity (in mol/L) of potassium bromide in the
solution.
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1. An aqueous solution of potassium thiosulfate is prepared by
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