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Math Help - Chemistry concentration question help!

  1. #1
    OMg
    OMg is offline
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    Chemistry concentration question help!

    I have 230grams of solution and 150grams per litre. How much of each would I need to make 2 litres of 200grams per litre.


    How do I solve this problem please help!
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  2. #2
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    Re: Chemistry concentration question help!

    Quote Originally Posted by OMg View Post
    I have 230grams of solution and 150grams per litre. How much of each would I need to make 2 litres of 200grams per litre.


    How do I solve this problem please help!
    let $x$ be the amount of the 230 g/l solution and $y$ be the amount of 150 g/l solution, both in litres

    $x+y=2$

    $230 x + 150 y = 2 \cdot 200$

    can you solve that?
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