% w/w = mass solute/mass solution.
(X/369)*100 = 3.04
Solve for X = grams NaCl.
What mass of sodium chloride, NaCl, is needed to make 369. g of a 3.04%(m/m) NaCl solution?
(atomic masses: Na = 22.99, Cl = 35.45)
2 answers
massNaCl=369*.0304