To prepare a solution that is 15.0% aqueous KCl by mass,one should
A) dissolve 15.0 g KCl in 85.0 g H2O.
B) dissolve 15.0 g KCl in 1.00 × 102 g H2O.
C) dissolve 15.0 g KCl in 0.850 mol H2O.
D) dissolve 0.150 mol KCl in 0.850 mol H2O.
E) dissolve 0.150 mol KCl in 1.00 mol H2O.
Correct Answer:
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