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Olympiad workbook

Exam: Olympiad workbook
Subject: NSEC
Chapter: Solutions

Olympiad workbook · NSEC · Solutions

A solution of CuSO_4 · 5 H_2 O in methanol has [Cu^ 2+ ]=1.00 mg...

A solution of

\mathrm{CuSO}_4 \cdot 5 \mathrm{H}_2 \mathrm{O}

in methanol has \left[\mathrm{Cu}^{2+}\right]=1.00 \mathrm{mg}

per 1000 g of methanol. The molarity of

\mathrm{Cu}^{2+}

in this solution is

\mathrm{Y} \times 10^{-5} \mathrm{~mol} \mathrm{~L}^{-1}

. Y is : \left(\right.

Given- density of methanol \left.=0.792 \mathrm{~g} \mathrm{~mL}^{-1}\right)

Options

A $1.57$
B $5.04$
C $1.25$
D $3.99$

Correct answer

C. $1.25$

Step-by-step solution

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