If the molarity of a solution of ammonium carbonate, (NH4)2CO3 is 0.50M, the molarity of ammonium ion, NH4+, is A) 0.50
B) 1.0
C) 0.25
D) 2.0

2points what is the job of a scientist? a. to answer ethical questions. b. to write laws based on his or her knowledge. c. to ask and answer scientific questions. d. to ignore facts that do not support his or her theory.

What layer of the atmosphere is directly above the troposphere?

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car