solutions

Question: The weight of ${{H}_{2}}{{C}_{2}}{{O}_{4}}.2{{H}_{2}}O$ required to prepare $500ml$ of $0.2N$ solution is

1) $126g$

2) $12.6g$

3) $63g$

4) $6.3g$

Solution:

Explanation: No Explanation

Methods of expressing concentration of solution

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