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How would you prepare 455 g of aqueous solution that is 6.50% sodium sulfate Na2SO4 by mass?

  • Chemistry - ,

    percent by mass = grams/100 g solution.

    X grams/455 = 0.065
    solve for X. Subtract 455-X to calculate how much water must be added.

  • Chemistry - ,

    check my thinking. Check my work.

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