Q.55 26.8 g of Na SO,.nH,O contains 12.6 g of water the value of n is A) 5 C) 8 D) 10 B) 7

26.8 gm Na_(2)SO_(4). nH_(2)O contains 12.6 of water here the value of 'n' is ?

26.8 gm Na_(2)SO_(4). nH_(2)O contains 12.6 of water here the value of 'n' is ?

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

26.8 g of Na_2SO_4.xH_2O gave 12.6 g of water on heating. Determine the value of x in the compound using mole concept.

If sqrt(3^(n))=729, then the value of n is (a)6(b)8(c)10(d)12

If .^(n)P_(3)+.^(n)C_(n-2)=14n , the value of n is (a) 5 (b) 6 (c) 8 (d) 10

5 mL of 8 N HNO_(3), 4.8 mL of 5 N HCl , and a certain volume of 17 m H_(2) SO_(4) are mixed together and made upto 2 L . 30 mL of the acid mixture exactly neutralises 42.9 mL of Na_(2 CO_(3) solution containing 0.1 g of Na_(2) CO_(3). 10 H_(2) O in 10 mL of water. Calculate: The amount (in g) of the sulphate ions in the solution.