`Na_(2)CO_(3).10H_(2)O overset(375K) to Na_(2)CO_(3).XH_(2)O+YH_(2)O.` The value of `Y-X` is :

Na_(2)O_(2) + H_(2)O to

Na_(2)b_(4)O_(7)10H_(2)O is

Na_(2)CO_(3).10H_(2)Ooverset(373K)rarrNa_(2)CO_(3).H_(2)O+9H_(2)O Na_(2)CO_(3).H_(2)Ooverset(gt373K)rarrNa_(2)CO_(3).H_(2)O Choose the correct statement(s) :

Washing soda is Na_(2)CO_(3).xH_(2)O . The value of "x" is __________

The compound Na_(2)CO_(3).xH_(2)O has 50% H_(2)O by mass. The value of 'x' is

Na_(2)SO_(4).xH_(2)O has 50% H_(2)O . Henxe, x is :

If 13.1g of Na_(2) SO_(4) XH_(2)O contains 6g of H_(2)O , the value of X is