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1. Given the equation: Mg + 2 HCl → MgCl2 + H2 . How many moles of H2 is produced when one mole of Mg is reacted with HCI? Se
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Answer #1

1)

From balanced chemical equation:

Mol of H2 produced = mol of Mg reacted

= 1 mol

Answer: A

2)

P = 21.0 mmHg

= 21.0/760 atm

= 0.0276 atm

Answer: A

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