mohnish khiani

Okay,let me try this one. A pure sample of 1 mole of Magnesium would give 1 mole of Hydrogen. But since 1 mole of magnesium gives 0.2986 moles of hydrogen. The purity of Magnesium would be 29.86%. Am I right ??

I was posting this question on behalf of my mother,who is a teacher and had this doubt.I have no idea about this topic.Can someone please give me the solution,it's urgent I am sorry, Also,I am just guessing that 1 gram of Magnesium would produce I gram of Hydrogen

I didn't get you. Can you please post the complete solution and the answer. Thanks in advance. Mg(s) + H2SO4(aq) --> MgSO4(aq) + H2(g)

A sample of impure Magnesium is reacted with diluted Sulphuric Acid to give the respective salt and Hydrogen.If 1 gram of impure sample gave 298.6 cc of Hydrogen at STP.Calculate the % purity of the sample (MAgnesium = 24,Hydrogen = 1)