Question

Calculate [H3O+] given [OH−] in each aqueous solution.

Part A

[OH−] = 6.6×10⁻¹¹ M

Part B

Classify this solution as acidic or basic.

Part C

[OH−] = 4.5×10⁻⁹ M

Part D

Classify this solution as acidic or basic.

Part E

[OH−] = 6.6×10⁻⁴ M

Part F

Classify this solution as acidic or basic.

Part G

[OH−] = 2.5×10⁻² M

Part H

Classify this solution as acidic or basic.

Answer 1

Purst A Cou 6.6 x10m poHogCo pot 1o 180 PH 4POH4 14-poH -4 -10 180 PH- 9.82 The pH of Solution is 3.82 hence this 8olution is Acidic in ature Parat c ponsgoH t-logC4sxi poH 8.35 PH 1k-pot py= 14-.3 PuS.65 The pH of solution is 6 Acidic in natere 5.62 hence this 8olution

Part e Co po og Co] og C6X10J po 3.18 '. PM 14-poH 14-3.18 10.82 The PH of Solution is lo-82 .hence this Golution is basic in nature Porrt G pon-ogLoH = -Log 2-5x162 pot60 PHpoH 14 PH 14-POH PH 14-160 PH 14-1.60 PH 12.40 The PH of Solution is 2-40 hence this Golution is bauic in netere