Some Basic Concepts Of Chemistry Question 88

Question: 12 g of Mg (atomic mass 24) will react completely with hydrochloric acid to give

Options:

A) One mol of H2

B) 1/2 mol of H2

C) 2/3 mol of O2

D) both 1/2 mol of H2 and 1/2 mol of O2

Show Answer

Answer:

Correct Answer: B

Solution:

[b] Mg1,mole12mole,+2HClMgCl2+H2,1,mole,12mole(12g,of,Mg=12mol),



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