Be sure to answer all parts. Ammonia has a Kb of 1.8 × 10−5. Find [H3O+], [OH−], pH, and pOH for a 0.300 M ammonia solution.

[H3O+]:
× 10
M(Enter your answer in scientific notation.)

[OH−]:
M

pH:

pOH:

answer; i do believe the correct answer is (river); /// good luck

1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.

c-14 is carbon-14, or radiocarbon.   it is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.