Question

1. An alloy contains 32% nickel, 36% copper and the rest is zinc. Find in grams the quantity of
each of the contents in a sample of 1/4 kg alloy

answer​

Answer 1

Answer:

nickel=0.8g

copper=0.9g

zinc=1.69g

Step-by-step explanation:

1/4kg=1/4000g

alloy contains quantity of nickel,

32×1/4000×100

32/40

0.8g

alloy contains quantity of copper,

36×1/4000×100

36/40

0.9g

alloy contains quantity of zinc,

0.8+0.9+Cu=1/4000

1.7+Cu=1/4000

Cu= 1/4000-17/10

Cu= 1-6800/4000

Cu=6799/4000

Cu=1.69g