What is the normality of a 48% by weight solution of HClO4?
density of HClO4 = 1.67 g / mL
weight percent = wt% = 48 %
molar mass of HClO4 = 100.45 g / mole
normality = wt % x 10 x density / molar mass
= 48 x 10 x 1.67 / 100.45
= 7.98 N
normality = 7.98 N
A) A solution of HClO4 has a pH of 2.41. How many grams of HClO4 are there in 254 mL of this solution? B) How many grams of HClO4 are in 254 mL of. HClO4 solution that has twice the pH?
What is the pH of a 2.9 M solution of HClO4? pH = __________?
What is the pH of a 0.25 M solution of HCLO4 (perchloric acid)?
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A 23.00 ?mL sample of an unknown HClO4 solution requires titration with 20.12 mL of 0.2000 M NaOH to reach the equivalence point. The neutralization reaction is: HClO4(aq)+NaOH(aq)?H2O(l)+NaClO4(aq) What is the concentration of the unknown HClO4 solution? express your answer using four Sig figs.
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