Calculate the moles of hydrogen gas evolved if 0.0342g of magnesium react completely. Mg(aq)+2HCl(aq)→MgCl2(aq)+H2(g) Hint: Answer...

Question

Question

Calculate the moles of hydrogen gas evolved if 0.0342g of magnesium react completely.

Mg(aq)+2HCl(aq)→MgCl2(aq)+H2(g)

Hint: Answer includes 3 significant figures.

science chemistry

Answer 1

Answer #1

Mg Cag) + 2 Helag) mg Q, Cag) + H2 (7) Moles of my mass Molar mas 0.0342 g 30 s gland 1.40 74 10 3 mols mols of My reacted Mo

Answer 2

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