2 years ago

Brass is made up of copper and zinc. 100 grams of brass contains 20 grams of zinc.

Mathematics

1 answer:

Nana76 [90]2 years ago

5 0

Answer:

A. 12 grams Zn

B. 280 g of copper.

Step-by-step explanation:

100 grams of brass

20 grams of zinc

100 grams of brass has 20 grams of Zn.

20/100 = 0.200 Zn <u>20% Zn and 80% copper</u>.

A. (60 g brass)*(0.2) = 12 grams Zn

B. (350 g brass)*(0.80) = 280 g of copper.

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