How many grams of solute are present in 935 mL of 0.720 M KBr?

1 Answer
Jul 10, 2016

"Grams of KCl" ~= 50*g

Explanation:

"Concentration"="Moles of solute"/"Volume of solution". This gives units of mol*L^-1.

Thus "moles of solute"="volume"xx"concentration".=

935*cancel(mL)xx10^-3cancelL*cancel(mL^-1)xx0.729*cancel(mol)*cancel(L^-1)xx74.55*g*cancel(mol^-1)

= ??g