Identify the number of CORRECT statements?
(1) Henry’s constant for $H_2$ is more than that for $O_2$
(2) 5% w/w glucose solution has same vapour pressure as that of 5% w/w sucrose solution
(3) if mole fraction of solvent in a solution decreases then boiling point decreases
(4) Osmotic pressure calculations are more accurate than remaining three colligative Property measurements for determining molecular weight of a given volatile solute
(5) Relative lowering of vapour pressure increases with increases in temperature.
(6) $\Delta G_{mixing}$ for ideal solutions is zero.