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How many liters of 20 Volume H2O2 will contain one mole of hydrogen peroxide?
12 years ago

Answers

bonjo
20-vol is 6% w/v of hydrogen peroxide i.e. 6g in 100mL. so we can find the concentration;

6g/(34) = 0.176mol in 100mL

in 1liter = 0.176molx10 = 1.76mol

Molarity = 1.76mol/L

the question asks for how many liters for one mole so;

1L = 1.76mol
xL = 1mole

xL = 1/1.76 = 0.568L

hope that helps..
12 years ago

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