Asked by joshua
A mixture was formed by adding 4.56g of KCL to water to make 175mL of solution. The density if the solution is 1.12g/mL. Whatis the mass percent and what is the molarity of the potassium chloride solution?
Answers
Answered by
DrBob222
Hello J, V, et al.
% w/w = (grams solute/ grams solution)*100.
g solute = 4.56g KCl.
g solution = mass = volume x density = 1.12 g/mL x 175 mL = ?
Then %w/w = (4.56/mass solution(*100 = ?
M = mols/L soln. mols = 4.56 grams KCl/molar mass kCl
M = mols/0.175L = ?
% w/w = (grams solute/ grams solution)*100.
g solute = 4.56g KCl.
g solution = mass = volume x density = 1.12 g/mL x 175 mL = ?
Then %w/w = (4.56/mass solution(*100 = ?
M = mols/L soln. mols = 4.56 grams KCl/molar mass kCl
M = mols/0.175L = ?
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