An unknown compound A `(Mn_(x)O_(y))` composed of manganese and oxygen , has 36.7% oxygen by weight. When 8.7 g of A is heated with HCl it liberates `Cl_(2)` gas as per the following reaction:
`Mn_(x)O_(y) +HCl rarr MnCl_(2)+Cl_(2)+H_(2)O` (unbalanced)
The simplest formula of A is:

An unknown compound A (Mn_(x)O_(y)) composed of manganese and oxygen , has 36.7% oxygen by weight. When 8.7 g of A is heated with HCl it liberates Cl_(2) gas as per the following reaction: Mn_(x)O_(y) +HCl rarr MnCl_(2)+Cl_(2)+H_(2)O (unbalanced) The volume of Cl_(2) gas at STP obtained when 8.7 gm of compound A is heated with excess of HCl , (assume molecular formula and , empirical formula to be same):

Balance the following equation: Pb_(3)O_(4)+HCl to PbCl_(2)+H_(2)O+Cl_(2)

In the reaction MnO_(2)+4HCl to MnCl_(2)+2H_(2)O+Cl_(2)

Balance the following chemical equation MnO_(2)+HCl to MnCl_(2)+H_(2)O+Cl_(2)

KMnO_(4)+HCl rarr MnCl_(2)+X_((g))+Y+H_(2)O "X" is a

In the following reaction 2I- + Cr_(2)O_(7)^(2-)+14H^(+) rarr I_(2)+2Cl^(3)+7H_(2)O Unbalanced parts are

Balance the following equation : MnO2 + HCl → MnCl2 + Cl2 + H2O

Balance the following equation : MnO_2 + HCl to MnCl_2 + H_2O + Cl_2 .