solutions

Question: The molarity of a solution prepared by adding $7.1gm$ of $N{a_2}S{O_4}$ (formula weight $142$ amu) to enough water to make $100 ml$ volume is

1) $2.0\,M$

2) $1.0\,M$

3) $0.5\,M$

4) .$0.05\,M$.

Solution:

Explanation: No Explanation

Methods of expressing concentration of solution

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