Question
What is the mass of hydrogen peroxide, H2O2, in a 250 g sample of a 2.75% by weight solution?
Answers
DrBob222
2.75% H2O2 means 2.76g H2O2/100 g soln.
Therefore, mass in 250g sample is
2.75 x (250/100) = ?
Therefore, mass in 250g sample is
2.75 x (250/100) = ?