A `6.85g` sample of the hydrated`Sr(OH)_2.x H_2O` is dried in an oven to given `3.13g` of anhydrous `sr(OH)_2.` What is the value of `x?` (Atomic masses : `Sr=87.60.O=16.0,H=1.0)`

A 6.85g sample of the hydrated Sr(OH)_2.x H_2O is dried in an oven to give 3.13g of anhydrous Sr(OH)_2. What is the value of x? (Atomic masses : Sr=87.60.O=16.0,H=1.0)

A 5.0 g sample of Cu (NO_(3))_(2).n(H_(2)O) is heated, and 3.9 g of the anhydrous salt remains. What is the value of 'n' ?

A 3.0 g sample of Na_(2)CO_(3).H_(2)O is heated to a constant mass. How much anhydrous salt remains ?

The solubility of Sr (OH)_2 at 298 K is 19.23g/L of solution. Calculate the concentration of strontium and hydroxyl ions. What is its pH? (Atomic mass of Sr=87.6)

A 5.0 g sample of Cu (NO_(3))_(2).n (H_(2)O) is heated, and 3.9 g of anhydrous salt remains. What is the value of 'n' ? Cu(NO_(3))_(2),n(H_(2)O)overset(Delta)toCu(NO_(3))_(2)+nH_(2)O

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

13.4 g of a sample of unstable hydrated salt Na_(2)SO_(4).XH_(2)O was found to contains 6.3 g of H_(2) O . The number of molecular of water of crystalistion is

13.4 g of a sample of unstable hydrated salt Na_(2)SO_(4).XH_(2)O was found to contains 6.3 g of H_(2) O . The number of molecular of water of crystalistion is