4.5g of an alloy of copper …
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Posted by Tasneem Munshi 6 years, 8 months ago
- 2 answers
Gaurav Seth 6 years, 8 months ago
4.5 g contains 3.5 g of Cu
therefore 18.9 g of alloy contains 3.5/4.5*18.9
=7/9*18.9
=7*2.1
=14.7g of Cu
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Tasneem Munshi 6 years, 8 months ago
0Thank You