What is the minimum ph required to prevent the precipitation of zns in a solution that is 0. 16 m zncl2 and saturated with h2s (0. 10 m)? (ksp = 1. 1 x 10-21, k1k2 = 1. 3 x 10-20).

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

How does carbon monoxide pose the greatest threat to humans? a. it can be produced by wood fires. b. it can be produced by home furnaces. c. it is produced by acid rain. d. it is produced by modern automobiles.

Scientists often deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each of these numbers in an alternate form.