Chemistry, asked by shikhar7428, 11 months ago

please give me answers

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Answers

Answered by vishwa10032003

0

Answer: concentration of gold is 75% and copper is 25%.

Explanation:

Total part = 18(gold)+6(copper)

=24

....

Concentration of gold = mass of gold×100/total mass

=18×100/24

=75%

For the copper

Mass of copper×100/total mas

=6×100/24

=25%

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