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Formation of Complexes

The mass of g...

Question

The mass of gold in an 18 carat gold ring of 4g is

A

4g

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B

3g

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C

2g

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D

1g

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Solution

The correct option is B 3g
24 carat gold is pure gold.
4g ring of 18 carat gold $= \frac{4 \times 18}{24} = 3 g$

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