A sugar syrup of weight 214.2g contains 34.2g of sugar `(C_(12)H_(22)O_(11))` . Calculate (i) Molality and (ii) Mole fraction of sugar in syrup.

Calculate mass of 2.7moles of C_(12)H_(22)O_(11) (molar mass = 342 g/ mol)

Vapour pressure of water at 20^C is 17.5 mm of Hg and lowering of vapour pressure of a sugar soluton is 0.061 mm of Hg. Calculate mole fraction of sugar and water.

An aqueous solution of sucrose ( C_(12)H_(22)O_(11) ) having a concentration of 34.2gram/ litre has an osmotic pressure of 2.38 atmospheres at 17^(@) C. For an aqurous solution of glucose ( C_(6)H_(12)O_(6) ) to be isotonic with this solution , its concentration should be :

The number of hydrogen atoms present in 25.6 g of sucrose (C_12 H_22 O_11) which has a molar mass of 342.3g is :

An antifreeze solution is prepared fro, 222.6g of ethylene glycol, C_2H_4(OH)_2 and 200g of water. Calculate the molality of the solution . If the density of the solution is 1.072g mL^-1 , then what shall be the molarity of the solution?

Calculate the molecular weight of of following compound : cane sugar C12H22O11

2.82g of glucose (Molar mass: 180g mol^-1 ) are dissolved in 30g of water . Calculate mole fraction of glucose and water.

Calculate the molality of a solution containing 5.3 g of anhydrous Na2CO3 in 400 g water .

Calculate the kinetic energy of 0.2 g of H_2 at 27^@C .

The following reaction is an example of a 4NH_3(g) + 5O_2(g) rarr 4NO(g) + 6H_2O(g) (i) displacement reaction (ii) Combination reaction (iii) redox reaction (iv) neutralisation reaction