Chemistry, 04.05.2021 16:10 newyorkvincetti
What is the hydroxide ion concentration of an aqueous solution with a pH of 4?
A. 1 × 10-14 mol/L
B. 1 × 10-10 mol/L
C. 1 × 10-7 mol/L
D. 1 × 10-4 mol/L
Answers: 2
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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
Answers: 1
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Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.
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The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder
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What is the hydroxide ion concentration of an aqueous solution with a pH of 4?
A. 1 × 10-14 mol/L<...
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