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#1
06-10-2009, 07:17 AM
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 Can you help me with this (probably simple) chemistry problem? We got a review packet for our final and I can't remember how do to do ones like this: The equation for the synthesis hydrogen chloride gas (HCl) is H2 + Cl2 ----> 2 HCl. How many grams of hydrogen chloride (hydrochloric acid) would be produced from the complete reaction of 8.0g of hydrogen gas (H2)?  |
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#2
06-10-2009, 07:18 AM
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| The number of moles of hydrogen atoms will be conserved. 8 g of hydrogen mean 8 / 1 = 8 moles of Hydrogen atoms. As one mole of HCl has one hydrogen atom, 8 mole of hydrogen atoms will be there in 8 moles of HCl. 8 moles of HCl weigh 8 * 36.5 = 292 grams. |
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