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| 1. |
Molecular mass of ZnSO4.7H2O |
| Answer» <html><body><p>287.38Explanation:<a href="https://interviewquestions.tuteehub.com/tag/atomic-2477" style="font-weight:bold;" target="_blank" title="Click to know more about ATOMIC">ATOMIC</a> mass of - Zn -65.38 S-32 O -<a href="https://interviewquestions.tuteehub.com/tag/16-276476" style="font-weight:bold;" target="_blank" title="Click to know more about 16">16</a> H-1 molecular mass= 65.38+32+ 16*<a href="https://interviewquestions.tuteehub.com/tag/4-311707" style="font-weight:bold;" target="_blank" title="Click to know more about 4">4</a> +7*(1+1+16)</p></body></html> | |