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How to prepare 100mL of 3% w/w Hydrogen Peroxide from 30% w/w Hydrogen Peroxide?Specific Gravity of 30%w/w Hydrogen Peroxide is 1.11g/mL.
Can you please show the calculation steps? Thanks.

  • Chemistry -

    30% w/w is 30 g/100g soln.
    So you want 1/10 that.
    Dilute 10 g (that's 10/1.11 = 9.00 mL) and add H2O to 100 g total = 3% w/w The volume should be very close to 100 mL.

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