acidic
basic
neutral
amphoteric
Correct answer is A
No explanation has been provided for this answer.
0.925 mol dm-3
0.156mol dm-3
0.104 mol dm-3
0.023 mol dm-3
Correct answer is C
H2SO4 + 2NaOH → Na2SO4 + 2H2O
(MaVa)/(MBVB) (1)/(2) (MA x 15)/(0.125 x25) = 1/2
MA = 0.104
13.0
7.0
6.5
3.0
Correct answer is D
No explanation has been provided for this answer.
The hydroxyl ion concentrated, (OH-), in a solution of sodium hydroxide of pH 10.0 is?
10-10 mol dm-3
10-6 mol dm-3
10-4 mol dm-3
10-2 mol dm-3
Correct answer is C
No explanation has been provided for this answer.
1.30 x 10-5 mol2 dm-6
1.30 x 10-7 mol2 dm-6
1.69 x 10-10 mol2 dm-6
2.60 x 10-12 mol2 dm-6
Correct answer is C
No explanation has been provided for this answer.