A dilute solution of H2O2 is labelled as 10 volume. Its strength in g L-1 is

10 volume H2O2⇒ 10 L O2 at STP from 1L H2O22H2O22×34g→ 2H2O+O222.4 L22.4L O2≡2×34 g H2O210 L O2=10×2×3422.4g H2O2=30.357g H2O2Strength of H2O2 = 30.357 g  L-1