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Balancing Chemical Equations (Challenging)

Total questions: 7

Worksheet time: 35mins

Name
Class
Date
1.

Indicate the respective coefficients needed to balance the chemical equation.

CaSi2(s) + SbCl3(s) → Si(s) + Sb(s) + CaCl2(s)

(a)  

2.

Indicate the respective coefficients needed to balance the chemical equation.

KBr(aq) + H2SO4(aq) + MnO2(aq) → KHSO4(aq) + MnSO4(s) + H2O(l) + Br2(l)

(a)  

3.

Indicate the respective coefficients needed to balance the chemical equation.

PbCrO4(s) + HCl(aq) + FeSO4(s) → PbCl2(s) + Cr2(SO4)3(s) + FeCl3(aq) + H2O(l) + Fe2(SO4)3(s)

(a)  

4.

Indicate the respective coefficients needed to balance the chemical equation.

Ce(IO3)4(aq) + H2C2O4(aq) → Ce2(C2O4)3(s) + I2(s)  + CO2(g) + H2O(l)

(a)  

5.

Indicate the respective coefficients needed to balance the chemical equation.

HClO4(aq) + P4O10(s) → H3PO4(aq) + Cl2O7(s)

(a)  

6.

Indicate the respective coefficients needed to balance the chemical equation.

Ca3(PO4)2(s) + SiO2(s) → P4O10(s) + CaSiO3(s)

(a)  

7.

Indicate the respective coefficients needed to balance the chemical equation.

NH3(l) + O2(g) → NO(g) + H2O(l)

(a)