Question

Mg + 2HCI - MgCl2 + H2

If 500g of magnesium chloride (MgCl2) is produced in the above reaction, how
many grams of hydrogen (H2) would be produced?

Answer 1

Explanation:

from the equation we know that 500g of Mgcl are produced.

but we also know that 83g of Mgcl will give 2g of hydrogen

therefore, 500g of Mgcl will give x g of hydrogen

x=

500*2/83g = 12.04g

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