2. A chemical engineer dilutes a stock solution of hydrochloric acid (HCl) by adding 25.0 m3 of 7.50 M acid to enough water to make 500 m3 . What is the mass (in g) of HCl per liter of the diluted solution? (Mw(HCl) = 36.46 g/mol)
(A) 13.7
(B) 12.1
(C) 0.567
(D) 0.0136
(E) none of these
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