How many grams of sucrose (molecular mass 342) should be dissolved in 100 g water in order to produce a soluton having difference between the boiling point and freezing point equal to 105^@C ? (K_b=0.512 Km^-1, K_f=1.86Km^-1) .
How many grams of ethylene glycol (molar mass = 62) should be added to 10 kg of water, so that the resulting solution freezes at -10^(@)C ( K_(f) for water = 1.86 K "mol^(-1) ).
What is the molar solubility of Fe(O)_(2) (K_(sp)=8.0xx10^(-16)) at pH 13.0 ?
What is the molarity of a saturated solution of CaCO_(3) ? (K_(sp)=2.8xx10^(-9))
Evaluate : (8^-1xx5^3)/(2^-4)
The solubility of Ba_(3)(AsO_(4))_(2) (formula mass=690) is 6.9xx10^(-2) g//100 mL. What is the K_(sp) ?
What is the molarity of Fe(CN)_(6)^(4-) in a saturated solution of Ag_(4)[Fe(CN)_(6)] ? (K_(sp)=1.6xx10^(-41))
NARENDRA AWASTHI-IONIC EEQUILIBRIUM-Assertin-Reason Type Questions