Chlorine is prepared in the laboratory by treating manganese dioxide (MO2) with aqueous hydrochloric acid according to the reaction, MnO2+4HCl→MnCl2+Cl2+2H2O How many grams Via will react with 5gMnO2 ?
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Solution
A balanced equation is:
MnO2+4HCI→MnCl2+Cl2+2H2O
According to the given equation:
1 mole of MnO2 reacts with 4 mole of HCl or 87 g MnO2 reacts with 146 g HCl ∴ 5 g MnO2 will react with 14687×5=8.39gHCl