Q.

The density of I M solution of NaCl is 1.0585 g mL-1. The molality of the solution is

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a

1.0585

b

1.00

c

0.0585

d

0.10

answer is B.

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Detailed Solution

dsol=MMw21000+1m 1.0585=1M58.51000+1m Solve for m m=1.0Note: When dsol≈1, M=m. Do not solve such questions.Give direct answer
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