Advertisements
Advertisements
Question
\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]
0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate the mass of acid required.
Advertisements
Solution
For 1 mole MnO2 , acid required = 4 mole of HCl
So, for 0.02 mole, acid required = 4 × 0.02 = 0.08 mole
Mass of HCl = 0.08 x 36.5 = 2.92 g
APPEARS IN
RELATED QUESTIONS
Balance the following equation:
PbO + NH3 → Pb + H2O + N2
Balance the following equation:
PbS + O2 → PbO + SO2
Write the balanced chemical equation of the following reaction.
copper + nitric acid → copper nitrate + nitric oxide + water
\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]
0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate the volume of chlorine gas formed at S.T.P.
Give a balanced equation for addition of iron to copper [II] sulphate solution. State the change in colour seen.
\[\ce{2KClO3->[MnO2] 2KCl + 3O2[g] - is a balanced equation.}\]
State what is a ‘balanced equation’.
Balance the following simple equation:
K + CO2 → K2O + C
Balance the following simple equation:
Zn + HCl → ZnCl2 + H2
Underline the compound in the equation given below, it is incorrectly balanced and write the correct balancing for the same.
C2H5OH + 3O2 → 2CO2 + 2H2O
Writing a chemical reaction in brief by using chemical formulae is called as _______.
