magnesium oxide reaction

by chawki
Tags: magnesium, oxide, reaction
 P: 510 1. The problem statement, all variables and given/known data When acid and metal oxide react the product is salt and water. 2. Relevant equations Write the reaction formula, when hydrochloric acid reacts with magnesium oxide 3. The attempt at a solution Hcl and MgO 2 Hcl + MgO ------> 2H2O+ MgCl I still find it not balanced and dunno how balance it
 P: 1,262 How do you balance reaction equations in general?
P: 1,351
 Quote by chawki 1. The problem statement, all variables and given/known data When acid and metal oxide react the product is salt and water. 2. Relevant equations Write the reaction formula, when hydrochloric acid reacts with magnesium oxide 3. The attempt at a solution Hcl and MgO 2 Hcl + MgO ------> 2H2O+ MgCl I still find it not balanced and dunno how balance it
It's $MgCl_2$

HW Helper
P: 11,863

magnesium oxide reaction

Advice: before wondering how the atoms in a reaction can be balanced, you need to write all the formulas correctly.

Magnesium is divalent (you can see that in the monoxide, it has the same valence as the oxygen, 2) and this is a simple reaction, it will not get reduced, so in the salt it must have the same valence, namely 2.
 P: 510 2HCl + MgO -----> H2O + MgCl2
 Sci Advisor HW Helper P: 11,863 That's more like it.

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