O Substance
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Chemistry, 21.06.2019 19:30
The molecular formula for caffeine is cshion402. which of the following elements is not found in caffeine?
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How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?
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12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer
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Matter that has a uniform and unchanging composition is known as a(n)
O Element
O Substance
O Substance
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