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Once made by heating wood in the absence of air, methanol (CH3OH) is now made by reacting carbon monoxide and hydrogen at high pressure:
CO(g)+2H2(g)→CH3OH(l)


How many grams of CH3OH can be made from 40.0g of CO if it all reacts?

  • chem -

    mols CO = grams/molar mass.
    Using the coefficients in the balanced equation, convert mols CO to mols CH3OH.
    Then g CH3OH = mols CH3OH x molar mass CH3OH.

    This is a simple stoichiomtry problem (as opposed to a limiting reagent problem) and all of these are worked with these four steps. The first step is to write and balance the equation.

  • chem -

    45.7 g

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