What is mass of the solute that is present in 50 mL of a 0.15 mol/L solution of NaCl?
(a) 0.22
(b) 0.44
(c) 0.66
(d) 0.88
This question was addressed to me in an internship interview.
Origin of the question is Concentration-II topic in division Introductory Concepts of Chemical Process Calculation