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OpenStudy (anonymous):
How many liters of hydrogen needs to be reacted with chlorine to produce 21g of hydrochloric acid, at STP?
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OpenStudy (aaronq):
write a balanced reaction, convert 21g of HCl to moles, use the coefficients of the balanced reaction to find the number of moles of Hydrogen gas. ps. a mole of gas = 22.414 L
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