solutions

Question: Which of the following has maximum number of molecules

1) $16\,gm\,of\,{{O}_{2}}$

2) $16\,gm\,of\,N{{O}_{2}}$

3) $7\,gm\,of\,{{N}_{2}}$

4) $2\,gm\,of\,{{H}_{2}}$

Solution:

Explanation: No Explanation

Methods of expressing concentration of solution

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