Chemistry Practice Problems Ka and Kb Practice Problems Solution: If Kw = 1.139×10−15 at 0°C and 5.474×10−14 at 50°C...

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# Solution: If Kw = 1.139×10−15 at 0°C and 5.474×10−14 at 50°C, find [H3O+] and pH of water at 0°C and 50°C.

###### Problem

If Kw = 1.139×10−15 at 0°C and 5.474×10−14 at 50°C, find [H3O+] and pH of water at 0°C and 50°C.

Ka and Kb

Ka and Kb

#### Q. The following scene represent three weak acid HA (where A = X, Y, or Z) dissolved in water (H2O is not shown):(a) Rank the acids in order of increasin...

Solved • Wed Nov 21 2018 11:26:59 GMT-0500 (EST)

Ka and Kb

#### Q. The autoionization constant for heavy water (deuterium oxide, D 2O) is 3.64×10−16 at 0°C and 7.89×10−15 at 50°C. Find [D 3O+] and pD of heavy water at...

Solved • Tue Nov 20 2018 16:21:31 GMT-0500 (EST)

Ka and Kb

#### Q. (b) What is the pKa of the hydrazinium ion, H2N—NH3+ (Kb of hydrazine = 8.5 x 10−7)?

Solved • Mon Nov 19 2018 14:16:11 GMT-0500 (EST)

Ka and Kb

#### Q. What is the Ka of the 2-hydroxyethylammonium ion, HOCH2CH2NH3+ (pKb of HOCH2CH2NH2 = 4.49)?

Solved • Mon Nov 19 2018 14:09:37 GMT-0500 (EST)