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PilotLPTM [1.2K]
2 years ago
13

A teacher wrote the following part of a balanced chemical equation: Cu+2AgNO 3 To show the conservation of matter in the chemica

l reaction , how many silver (Ag) atoms will be needed on the right-hand side of the balanced equation ?
Chemistry
2 answers:
Crazy boy [7]2 years ago
8 0

Answer:

2

Explanation:

AP3X

Llana [10]2 years ago
7 0
2, because there are 2 silver atoms on the left
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Answer:

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Explanation:

The following data were obtained from the question:

Mass of iron (Fe) = 6.25g

Mass of the compound formed = 18g

From the question, we were told that the compound formed contains chlorine. Therefore the mass of chlorine is obtained as follow

Mass of chlorine (Cl) = Mass of compound formed – Mass of iron.

Mass of chlorine (Cl) = 18 – 6.25

Mass of chlorine (Cl) = 11.75g

The compound therefore contains:

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The empirical formula for the compound can be obtained by doing the following:

Step 1:

Divide by their molar mass

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Cl = 11.75/35.5 = 0.331

Step 2:

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Fe = 0.112/0.112 = 1

Cl = 0.331/0.112 = 3

The empirical formula for the compound is FeCl3

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