Calcium hydroxide is a strong base. Compute `[Ca^(2+)]` and `[OH^(-)]` "for" a solution that is prepared by dissolving `0.60 g` of `Ca(OH)_(2)` in enough water to make a 1500 mL of solution. [Atomic mass : `Ca=40, O=16, H=1`]
How many grams of H_(2)SO_(4) required to be dissolved in 250g of water to prepare decimolal solution?
0.46g of Ethanol is dissolved in 1000 g of H_2O . What is the molality of the ethanol solution ?
Calculate the osmotic pressure in pascals exerted by a solution prepared by dissolving 1.0 g of polymer of molar mass 185,000 in 450 mL of water at 37^(@)C
Calculate the pH of the following solution : (a) 2g of TlOH dissolved in water to give 2 litre of solution. (b) 0.3g of Ca(OH)_(2) dissolved in water to give 500mL of solution. (c) 0.3g of NaOH dissolved in water to give 200mL of solution. (d) 1mL of 13.6M HCl is diluted with water to give 1 litre of solution.
An antifreeze solution is prepared from 222.6g of ethylene glycol [(C_(2)H_(6)O_(2))] and 200g of water (solvent). Calculate the molality of the solution.
CaCO_(3) reacts with HCl to produce CaCl _(2), CO_(2)and H _(2)O. The approximate mass (in g) of CaCO_(3) required t react completely with 25 mL of 0.75 M HCl is (atomic mass of Ca = 40, C =12 O =16, Cl =35.5and H =1)
A solution is prepared by mixing 100 ml of 0.1 M NH_(4) OH and 200 ml of 0.2 M NH_(4) Cl . pK_(b) of NH_(4) OH is 4.8 . Then the pH of the solution is
Calculate the normality of solution containing 3.15 g of hydrated oxalic acid (H_2C_2O_4. 2H_2O) in 250 ml of solution ( Mol. Mass = 126).
The weight of oxalic acid crystals, H_(2)C_(2)O_(4)2H_(2)O required to prepare 500 ml of 0.2 N solution is,
NARENDRA AWASTHI-IONIC EEQUILIBRIUM-Assertin-Reason Type Questions
