the ratio of Copper and Zinc in n alloy is 7 ratio 3 if the weight of copper in the alloy is 98 gram find the weight of zinc in the alloy and the total weight of the alloy
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weight of copper is 42g and total weight is 140g
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2
given, c/z= 7/3.
copper=98grms.
zinc=?
Sol..
assume z=y grams hence
c/z=7/3
98/y=7/3
y=98*3/7
y=21 grms..
copper=98grms.
zinc=?
Sol..
assume z=y grams hence
c/z=7/3
98/y=7/3
y=98*3/7
y=21 grms..
hiteshRP:
and total 21+98=119grms
i think you have done wrong
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