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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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oceansweet oceansweet
wrote...
11 years ago
What volume (in L) of 1.00 M hydrochloric acid, when allowed to react with excess magnesium, will produce 32.5 L of hydrogen gas at STP?
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wrote...
#1
11 years ago
2 HCl = H2 + Cl2
moles H2 = 32.5 / 22.4 =1.45
moles HCl = 1.45 x 2 = 2.90
V = 2.90 / 1.00 M= 2.90 L
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