What is the mass percentage of copper in a 250 g sample of brass. Brass is made of copper and zinc and copper content of the sample is 150 g

Question

What is the mass percentage of copper in a 250 g sample of brass. Brass is made of copper and zinc and copper content of the sample is 150 g

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Hưng Khoa 3 years 2021-07-25T14:50:03+00:00 1 Answers 12 views 0

Answers ( )

  1. thanhcong
    0
    2021-07-25T14:51:36+00:00
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    Answer:

    Percentage of copper in sample = 60%

    Explanation:

    Given:

    Mass of copper = 150 gram

    Mass of brass = 250 gram

    Find:

    Percentage of copper in sample

    Computation:

    Percentage of copper in sample = [Mass of copper / Mass of brass]100

    Percentage of copper in sample = [150/250]100

    Percentage of copper in sample = [0.6]100

    Percentage of copper in sample = 60%

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