Question

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What is the Molar Mass of
FeSO4 (NH4)2 SO4. 6H2O​

Answer 1

Molar mass of FeSO4. (NH4)2SO4. 6H2O = 392.1388 g/mol.

Answer 2

You have been provided with three test tubes. One of them contains distilled water and the other two contain an acidic solution and a basic solution respectively. If you are given only red litmus paper, how will you identify the contents of each test tube ?