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Carbon monoxide can be combined with hydrogen to produce methanol, CH3OH. Methanol is used as an industrial solvent, as a reactant in some synthesis reactions, and as a clean-burning fuel for some racing cars. If you had 152.5 kg of carbon monoxide and 24.5 kg of hydrogen gas, how many kilograms of methanol could be produced?

Verified Answer :

degraaf23

CO + 2 H2 → CH3OH 
 find # of mols in each reactants, 

152500 g CO x 1 mol CO / 28.01g CO = 5444 mol CO 

24500 g H2 x 1 mol H2 / 2.02 g H2 = 12129 mol H2 

mol ratio between CO and H2 is 1:2, which means each mol of production of CH3OH need 1 mol of CO and 2 mol of H. 

H2 is enough to produce 6064 mols of CH3OH but there are only 5444mol of CO. 

5444 mol CH3OH x molar mass of CH3OH / 1 mol CH3OH 

= 174371 g = 174.4 kg

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