Asked by star
If Chelcy and Allyson reacted 2.55 grams of Mg with excess hydrochloric acid (HCl), how many grams of MgCl2 will they theoretically produce? Mg(s) + HCl (aq) → H2 (g) + MgCl2 (aq)
?g MgCl2
?g MgCl2
Answers
Answered by
DrBob222
Mg + 2HCl ==> MgCl2 + H2
mols Mg = grams/atomic mass.
Using the coefficients in the balanced equation, convert mols Mg to mols mgCl2 (looks like 1:1 to me).
Now convert mols MgCl2 to grams. g = mols x molar mass.
mols Mg = grams/atomic mass.
Using the coefficients in the balanced equation, convert mols Mg to mols mgCl2 (looks like 1:1 to me).
Now convert mols MgCl2 to grams. g = mols x molar mass.
Answered by
brandon Silva Amos-beandine2006
18.5
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