Lab: Physical and Chemical Changes
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Chemistry, 12.04.2021 17:40 starburst2005
Lab: Physical and Chemical Changes
Assignment: Lab Report Active
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Chemistry, 23.06.2019 16:30
Boron has an average atomic mass of 10.81. one isotope of boron has a mass of 10.012938 and a relative abundance of 19.80 percent . the other isotope has a relative abundance of 80.20 percent what is the mass of that isotope? report two decimal places
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Chemistry, 23.06.2019 22:30
3. a 0.750-l container containing gas at a temperature of 21.3º c is transferred to a flask with a volume of 0.250-l. assuming there is no change in pressure during or after the transfer, what is the temperature of the gas in the new flask?
Answers: 1
Chemistry, 23.06.2019 22:50
Enough of a monoprotic acid is dissolved in water to produce a 0.0142 m solution. the ph of the resulting solution is 2.58. calculate the ka for the acid.
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