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21-01-2020
Chemistry

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Balance the equation MnO2 + HCl â†’ Cl2 + MnCl2 + H2O?
using the smallest possible integer coeï¬ƒcients.

What is the sum of the coeï¬ƒcient?

1. 12
2. 15
3. 9
4. 7
5. 26

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pstnonsonjoku pstnonsonjoku

22-01-2020

Answer:9

Explanation:

MnO2+4HCl------->MnCl2 + 2H2O + Cl2

This gives 1+4+1+2+1=9

This is the smallest sum of integer coefficients needed to balance the equation as shown.

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