Author Question: In the following reaction, which species is reduced? Au(s) + 3NO3-(aq) + 6H+(aq) Au3+(aq) + NO(g) + ... (Read 109 times)

Frost2351 · **on:** Aug 27, 2018

In the following reaction, which species is reduced? Au(s) + 3NO3-(aq) + 6H+(aq) Au3+(aq) + NO(g) + 3H2O (l) H+ N+5 O2- H2O Au

A) H+
B) N+5
C) O2-
D) H2O
E) Au

Question 2

The pH of a 0.15 M aqueous solution of NaZ (the sodium salt of HZ) is 10.7. What is the Ka for HZ?

A) 1.6 10-6
B) 6.0 10-9
C) 8.9 10-4
D) 1.3 10-12
E) 3.3 10-8