Chemistry, 12.11.2020 14:00 lilisagaser4505
Technetium-104 has a half life of 18 minutes. How much of a 165.0 g sample is left after 108.0 minutes?
Answers: 3
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Enough of a monoprotic weak acid is dissolved in water to produce a 0.0172 m solution. if the ph of the resulting solution is 2.39 at 20 °c, determine the pka for the acid.
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Chemistry, 21.06.2019 21:30
The density of an unknown gas at 98°c and 740 mmhg is 2.50 g/l. what is the molar mass of the gas with work showed?
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Technetium-104 has a half life of 18 minutes. How much of a 165.0 g sample is left after 108.0 minut...
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