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An alloy is composed of nickel, zinc, and copper in a ratio of 3:4:13. How many kilograms of each metal are needed to make 4 kg of this alloy?

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  1. assuming that it is 3/4/13 by mass and not by atoms:

    3x + 4x + 13 x = 4 kg

    20 x = 4

    x = .2 kg

    Ni = 3x = .6 kg
    Zn = 4x = .8 kg
    Cu =13x = 2.6 kg

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    Damon

  2. cheese

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    Barbra

  4. cheese is correct, barbra

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  5. O.6 kg ot nickel, 0.8 of of zinc, and 2.6 kg of copper

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    ╥﹏╥

  6. 0.6 kilogram of nickel
    0.8 kilograms of zinc
    2.6 kilograms of copper

    😁Enjoy😁

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    Maya

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    Anonymous

  9. incorrect :(

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    me

  10. PIZZA HAS CHEESE IS PIZZA CORRECT???

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    HI

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