1 Select the correct answer.
The presence of which ion will not affect the pH of a solution?
OA.
OH :
B.
H30*
OC. H
D.
Nat
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2h2s + 3o2 2so2 + 2h2o which option gives the correct mole ratios? h2s: so2 = 2: 2 and o2: h2o = 3: 2 h2s: so2 = 2: 3 and o2: h2o = 3: 2 h2s: so2 = 4: 4 and o2: h2o = 5: 4 h2s: so2 = 4: 6 and o2: h2o = 4: 4

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at