Hydrogen peroxide can be prepared by the reaction of barium peroxide with sulfuric acid according to
BaO2(s)+H2SO4(aq)=BaSO4(s)+H2O2(aq)
How many milliliters of 5.00 M H2SO4(aq) are needed to react completely with 30.5 g of BaO2(s)?
2 answers
found the answer to be 36.03 ml
36.03 mL is right but if your prof is picky about the number of significant figures the last three will count against you. You are allowed only 3 places or 36.0 mL.
1 answer