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March 29, 2017

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If 0.0418 grams of Mg are reacted with excess HCl, how many moles of hydrogen gas will be formed?

  • chemistry - ,

    Write the equation.
    Balance it.
    Convert g Mg to mols. mols = grams/molar mass.
    Using the coefficients in the balanced equation, convert mols Mg to mols H2.

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