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Define the mass number of an atom....
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Chemistry, 22.06.2019 21:30
How can the periodic table be used to predict the behavior of elements?
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Chemistry, 22.06.2019 22:10
Determine the ph of 0.10 m nh3 solution. nh3 is a weak base with a kb equal to 1.8 x 10-5 round answer to nearest whole number.
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Chemistry, 22.06.2019 22:30
What is the work done by the electric force to move a 1 c charge from a to b?
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