Chemistry Practice Problems Balancing Chemical Equations Practice Problems Solution: Balance the following equation:K2CrO4 + Na 2SO3 + ...

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Solution: Balance the following equation:K2CrO4 + Na 2SO3 + HCl →  KCl + Na 2SO4 + CrCl3 + H2OEnter the coefficients for each compound separated by commas, in the order in which they appear in the equation.

Problem

Balance the following equation:

K2CrO4 + Na 2SO3 + HCl →  KCl + Na 2SO4 + CrCl3 + H2O

Enter the coefficients for each compound separated by commas, in the order in which they appear in the equation.

Solution

We’re being asked to balance the given equation.


Recall that when balancing chemical equations, we have to make sure that the number of elements on both sides is equal with the lowest whole number coefficients.



K2CrO4 + Na2SO3 + HCl   KCl + Na2SO4 + CrCl3 + H2O

K      2

Cr    1

O      7

Na    2

S      1

H      1

Cl     1

K      1

Cr    1

O      5

Na    2

S      1

H      2

Cl     4


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