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Why do you need two ammonium ions and one sulfide ion for the formula for ammonium sulfide?
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What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?
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The mass of a proton is approximately equal to the mass of
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If a computer chip switches off -on-off in 0.015 us, what is the switching time in nanoseconds?
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Why do you need two ammonium ions and one sulfide ion for the formula for ammonium sulfide?...
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