Chemistry, 29.11.2019 05:31 volleyballfun24
A4.10 −g sample of a mixture of cao and bao is placed in a 1.00-l vessel containing co2 gas at a pressure of 735 torr and a temperature of 26 ∘c. the co2 reacts with the cao and bao, forming caco3 and baco3. when the reaction is complete, the pressure of the remaining co2 is 155 torr .calculate the number of moles of co2 that have reacted. calculate the mass percentage of cao in the mixture.
Answers: 2
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You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present
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What does the field of thermodynamics relate to a-changes in nuclear reactions b- changes in energy in systems c changes in molecular structure d changes in atomic properties
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A4.10 −g sample of a mixture of cao and bao is placed in a 1.00-l vessel containing co2 gas at a pre...
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