Explain magnesium dioxide in excess of hcl

Reference no: EM13534278

a) What amount of chlorine gas is obtained by treating 80 g of magnesium dioxide in excess of HCl the following reaction?

MnO2 + 4 HCl => MnCl2 + 2H2O + Cl

b) The caustic soda, NaOH is prepared commercially by reaction of Na2CO3 with slaked lime, Ca (OH)2. The reaction also produces calcium carbonate.

* Write the balanced equation

* How many grams of NaOH can be obtained by treating a kilogram of Na2CO3 with Ca(OH)2 in excess.

Reference no: EM13534278

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