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30-03-2022
Chemistry

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1. Consider this chemical equation: Zn + 2 AgNO3 → Zn(NO3)2 + 2 Ag (6 marks)
a) How many atoms of zinc (Zn) are on the left side of the equation?
b) How many atoms of zinc (Zn) are on the right side of the equation?
c) How many atoms of silver (Ag) are on the left side of the equation?
d) How many atoms of silver (Ag) are on the right side of the equation?

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30-03-2022

Answer:

a. 1 atoms of ZN are on the left side

b. 1 atom of ZN is on the right side

c. 2 atoms of Ag are on the left side

d. 2 atoms of Ag are on the right side

Explanation:

On the left side of the equation (left side of arrow), there is one Zn atom, and it is the same on the other side. Similarly, the two in front of the Ag on the left side of the equation means there are 2 atoms of Ag. Same for the right side of the equation.

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