Balancing Chemical Equations

Practice Questions

High School Chemistry › Balancing Chemical Equations

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1

What is the coefficient for oxygen gas when the following equation is balanced?

$C_{5}H_{12} + O_{2} \rightarrow CO_{2} + H_{2}O$

2

What is the chemical formula of the salt formed when a chemist mixes solvated Potassium and Arsenic ions in solution?

3

What is the balanced chemical equation for the combustion of butane $(C_4H_{10})$ ?

4

_Fe2O3 + _HCl ⇌ _FeCl3 + _H2O

The Following question will be based on the unbalanced reaction above

For the reaction above to be balanced what coefficient should be in front of the compound HCl?

5

Balance the following equation:

FeCl3 + NOH5 → Fe(OH)3 + NH4Cl

6

Consider the following reaction:

$KMnO_{4} + HCl \rightarrow KCl + MnCl_{2} + H_{2}O + Cl_{2}$

When the equation is balanced, what will be the coefficient in front of HCl?

7

What is the formula for the dissociation of iron (II) phosphate?

8

Balance the following chemical equation.

$NaOH + FeCl_{3} \rightarrow NaCl + Fe(OH)_3$

9

$aC_4H_{10}+bO_2\rightarrow cCO_2+dH_2O$

Balance the above chemical reaction. What are the coefficients?

10

Which of the following sets of coefficients correctly balance the following chemical reaction:

__ $C_{6}H_{12}$ __ $O_{2}$ $\rightarrow$ __ $CO_{2}$ __ $H_{2}O$ ?

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