pH of a saturated solution of Ba(OH)_2 is 12. The value of solubility product K_(sp) " of " Ba(OH)_2 is (a) 3.3 xx 10^(-7) (b) 5.0 xx 10^(-7) (c) 4.0 xx 10^(-6) (d) 5.0 xx 10^(-6)
What is the ionization constant of an acid if the hydronium ion concentration of a 0.40 M solution is 1.40xx10^(-4) M? (a) 1.96xx10^(-8) (b) 1.22xx10^(-9) (c) 4.90xx10^(-8) (d) 1.40xx10^(-6)
Ionisation constant of CH_(3)COOH is 1.7xx10^(-5) and concentration of H^(+)ions is 3.4xx10^(-4) . Then, find out initial concentration of CH_(3)COOH molecules. (a) 3.4xx10^(-4) (b) 3.4xx10^(-3) (c) 6.8xx10^(-4) (d) 6.8xx10^(-3)
Simplify : (4xx10^(-2))-(2.5xx10^(-3))
What is the pH of , (a) 5 xx 10^(-8) M HCl and (b) 5 xx 10^(-10) M HCl .
Hardness of water is 200 ppm. The normality and molarity of CaCO_3 in the water is (a). 2xx10^(-6)(N,2xx10^(-6)M (b). 4xx10^(-2)N,2xx10^(-2)M (c). 4xx10^(-3)N,2xx10^(-3)M (d). 4xx10^(-1)N,2xx10^(-1)M
What is [H^(+)] in mol /L of a solution that is 0.20 M in CH_3COONa and 0.10 M in CH_3COOH? (Ka = 1.8 xx 10^(-5) ) 3.5 xx 10^(-4) 1.1 xx 10^(-5) 1.8 xx 10^(-5) 9.0 xx 10 ^(-6)
Concentration of the Ag^(+) ions in a saturated solution of Ag_2C_2O_4 is 2.2 xx 10 ^(-4) " mol " L^(-1) , Solubility product of Ag_2C_2O_4 is (a) 2.42 xx 10^(-8) (b) 2.66 xx 10^(-12) (c) 4.5 xx 10^(-11) (d) 5.3 xx 10 ^(-12)
What is the hydronium ion concentration of a 0.02 M solution of Cu^(2+) solution of copper(II) perchlorate? The acidity constant of the following reaction is 5xx10^(-9) . Cu^(2+)(aq.)+2H_(2)O(l)hArrCu(OH)^(+)(aq.)+H_(3)O^(+)(aq.) (a) 1xx10^(-5) (b) 7xx10^(-4) (c) 5xx10^(-4) (d) 1xx10^(-4)
The first and second dissociation constant of an acid H_2A are 1.0 xx 10 ^(-5) and 5.0 xx 10^(-10) respectively . The overall dissociation constant of the acid will be : 5.0 xx 10^(-5) 5.0 xx 10 ^(-15) 5.0 xx 10 ^(-15) 0.2 xx 10 ^(5)
