Answered

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Based on the chemical equation, use the drop-down menu to choose the coefficients that will balance the chemical equation: ()Na2HPO4 → ( )Na4P2O7 + ( )H2O

Sagot :

Answer:

The coefficients in order are 2, 1, 1

Explanation:

Each side of the reaction needs to have the same number of each element due to conservation of matter.

First I looked at what was uneven, notice there are 2 Na on the left side and 4 Na on the left. The easiest way to fix that is to add a 2 on the Na2HPO4:

2(Na2HPO4)--> Na4P2O7 + H2O

Next take count of each element on both sides to see if the 2 balanced everything:

On the left there are 4 Na, 2 H, 2 P, and 8 O

On the right there are 4 Na, 2 H, 2 P, and 8 O

Since both sides match, you are done!

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