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Chemistry

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What is the mass percent of NaCl in a solution obtained by mixing 50g of this solution with 215g of H20?

  • Chemistry - ,

    What's the concn to begin with?
    current% x (50/265) = ??

  • Chemistry - ,

    do you then multiply that answer by 100?

  • Chemistry - ,

    If you start with percent x (50/265) the answer is already in percent.
    If you converted to a fraction first so the solution is
    (%/100) x (50/265), yes, multiply that by 100.

  • Chemistry - ,

    Thank you!

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