The reaction will be-
In above-balanced reaction
Electron transfer of H2O2 (n) = 2 (-2 to 0 of Oxygen)
Electron transfer of KmnO4 (n) = 5 (+7 to +2 of Mn)
We know this formula:
( Mole X n-factor ) of H2O2 = ( Mole X n-factor ) of KmnO4
Now
Mass = Mole X Molar mass
We know,
Ans = 85
Study 40% syllabus and score up to 100% marks in JEE
5 g of Na2SO4 was dissolved in x g of H2O. The change in freezing point was found to be 3.820C. If Na2SO4 is 81.5% ionised, the value of x (K
A capacitor is made of two square plates each of side 'a' making a very small angle
A solution of m-chloroaniline, m-chlorophenol and m-chlorobenzoic acid in ethyl acetate was extracted initially with a saturated solution of NaHCO3 to give fraction A. The leftover organic phase was extracted with d