Balancing Chemical Equations Video Lessons

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Concept:

Problem: Balance each of the following equations(a) AgI + Na2S → Ag2S + NaI(b) Na3PO4 + HCl → NaCl + H3PO4

FREE Expert Solution

We’re being asked to balance the given equations.


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.


Reaction 1:

AgI + Na2S → Ag2S + NaI

Ag        1

I            1
Na        2

S          1

Ag        2

I            1
Na        1

S          1



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Problem Details

Balance each of the following equations

(a) AgI + Na2S → Ag2S + NaI

(b) Na3PO4 + HCl → NaCl + H3PO4


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What scientific concept do you need to know in order to solve this problem?

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