Math, asked by runal58, 11 months ago

an alloy is made of 30% copper,45% nickel and the rest of zinc.find the mass of zinc in 640 g of the alloy

Answers

Answered by TheLostMonk
41
copper = 30% , nickel = 45%

copper + niickel = 30% + 45% = 75%

rest mass is of zinc

= (100 - 75)% = 25%

total mass of alloy = 640g

Mass of zinc in alloy

= 25% of 640

= 25 × 640/ 100 = 160g

Answer: mass of zinc in alloy = 160g
Answered by kdurbesh6
4

Step-by-step explanation:

mass of zinc in alloy = 160gram

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