Asked by Araceli
A solution is prepared by dissolving 15grams of table salt in 70grams of water. Find (a) mass percent of solute (b) mass percent of solvent.
Answers
Answered by
DrBob222
% w/w means (grams solute/grams solution)*100 = ?
[(15g NaCl/(70+15)]*100 = % NaCl
{(70g H2O/(70+15)]*100 = % H2O
[(15g NaCl/(70+15)]*100 = % NaCl
{(70g H2O/(70+15)]*100 = % H2O
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