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anonymous

  • one year ago

I need help here~! A chemist has 20 pints of mixture that is 50% acid. How much water must be add to make the mixture 40% acid?

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  1. MrNood
    • one year ago
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    How much water and how much acid is there in the original mixture?

  2. anonymous
    • one year ago
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    20 mixture of acid and 20 mixture of water

  3. MrNood
    • one year ago
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    no - it is 50% each how many pints each is that?

  4. anonymous
    • one year ago
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    Sorry. I wrote the question wrong. It is supposed to be 40.

  5. MrNood
    • one year ago
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    OK so if you add x pints of water how much total will there be? how much acid will there be?

  6. anonymous
    • one year ago
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    I don't get the questions. :/

  7. anonymous
    • one year ago
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    Can you rephrase them?

  8. anonymous
    • one year ago
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    I have trouble with English.

  9. MrNood
    • one year ago
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    you start with 20 pints acid + 20 pints water if you add x pints of water how much total will there be? how much acid will there be?

  10. MrNood
    • one year ago
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    how many pints will there be all together how many pints of acid will there be

  11. anonymous
    • one year ago
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    So you add the mixture of 20 acid and 20 mixture of water?

  12. anonymous
    • one year ago
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    And you add 40%?

  13. MrNood
    • one year ago
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    you also ad x pints of water (that is the unknown amount that we need to find)

  14. MrNood
    • one year ago
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    |dw:1437750063429:dw| find x so the mixture is 40% acid

  15. anonymous
    • one year ago
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    I'm having trouble with how to find x.

  16. anonymous
    • one year ago
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    What am I supposed to do to find x?

  17. MrNood
    • one year ago
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    |dw:1437750327201:dw|

  18. anonymous
    • one year ago
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    The answer is 200/40 right?

  19. anonymous
    • one year ago
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    Actually wait

  20. MrNood
    • one year ago
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    if you add x pints of water how much total will there be? how much acid will there be?

  21. MrNood
    • one year ago
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    you need to answer those question FIRST if you cannot - then I cannot help you further

  22. anonymous
    • one year ago
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    It's okay. I'll try to further it myself first.

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