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OpenStudy (anonymous):

How many milliliters of hydrogen gas are produced by the reaction 0.020 mol of magnesium with excess of hydrochloric acid at STP?

OpenStudy (jfraser):

what's the balanced reaction between magnesium and hydrochloric acid?

OpenStudy (anonymous):

Mg(s)+2HCl(aq) -> MgCl2(aq)+H2(g) I believe

OpenStudy (jfraser):

it is.

OpenStudy (jfraser):

Now that you have a balanced reaction, what's the mole ratio between magnesium (one of the reactants) and the hydrogen gas (a product)?

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