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  3. balance each equation. mg(s)+hbr(aq) ------ mgbr2(

balance each equation. Mg(s)+HBr(aq) ------ MgBr2(s) + H2(g) B. CO(g) + O2(g) ----------CO2 (g) c. PbS (s) +...

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Chemistry

balance each equation.

Mg(s)+HBr(aq) ------ MgBr2(s) + H2(g)

B. CO(g) + O2(g) ----------CO2 (g)

c. PbS (s) + O2 (g) ---------PbO (s) + SO2(g)

d.H2SO4 +NAOH -------- Na2SO4 +H2O

e. H3PO4 +Ca (OH)2--------CA3 (PO4)2+ H2O

Answer & Explanation Solved by verified expert
4.1 Ratings (504 Votes)
a MgsHBraq MgBr2s H2g The number of atoms at each side of the equation must be the same So in order to equate both sides you have to multiple the stoichiometric coefficient until equate the number of atoms you have 2 Br in the right side you need to have the same number    See Answer
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