J.R. S. answered 02/26/20
Tutor
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Ph.D. in Biochemistry--University Professor--Chemistry Tutor
mass NaCl = 25.0 g
volume of solution = 58.0 ml
mass % NaCl = mass NaCl/volume solution (x100%) = 25.0 g/58.0 ml (x100%) = 43.1% (3 significant figures)