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What is the solubility-product constant of barium sulfate, baso4, if a saturated solution is 1.03 ´ 10-5 m?
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Which best describes the present-day universe? opaque, expanding very slowly, stars produce heavy elements transparent, expanding at an accelerated rate, stars produce heavy elements opaque, expanding at an accelerated rate, stars produce only hydrogen and helium transparent, expanding very slowly, stars produce only hydrogen and helium
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(oh no)
What is the mass of silicon when there are 1.8 x 10^21 atoms of silicon?...
What is the mass of silicon when there are 1.8 x 10^21 atoms of silicon?...
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