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anonymous

  • 4 years ago

How much water must be added to 12 L of a 40% solution of alcohol to obtain a 30% solution?

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  1. anonymous
    • 4 years ago
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    0.4(12)=4.8L of alcohol now This means 7.2 L of water. (7.2+x)=0.7(12+x) 7.2+x=8.4+0.7x 0.3x=1.2 x=4 x is the amount of water added.

  2. anonymous
    • 4 years ago
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    Fool can i get your help

  3. anonymous
    • 4 years ago
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    Sure tinkerbell, how can I help you?

  4. anonymous
    • 4 years ago
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    im trying to check 20 math questions and see if i have the right answers

  5. anonymous
    • 4 years ago
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    20 is a big number :(

  6. anonymous
    • 4 years ago
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    i know but it will go quick i promise

  7. lalaly
    • 4 years ago
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    lol fool has time:P

  8. anonymous
    • 4 years ago
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    i have it done im just checking to see if i have them right

  9. anonymous
    • 4 years ago
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    lol, lala and diya would certainly help you :P

  10. anonymous
    • 4 years ago
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    okay sure tinker post them.

  11. lalaly
    • 4 years ago
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    hehehe

  12. anonymous
    • 4 years ago
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    post them here or do a new post

  13. anonymous
    • 4 years ago
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    ok

  14. anonymous
    • 4 years ago
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    here is the link: http://openstudy.com/study?F434372624309TS5ABH=_#/updates/4f20243ce4b076dbc348902a

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spraguer (Moderator)
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