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