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boron has two naturally occurring isotopes .there are 10 b(20%)and 11b(80%).what is the average atomic mass of boron
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Calculate the molarity of the solution. 6.02 x 1022 molecules of hci (molecular weight = 36.5 g/mole) in 2.0 liters of water m
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What is the oxidation state of each individual carbon atom in c2o42β?
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If a particle has z = 25 and 23 electrons, what is its charge?
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boron has two naturally occurring isotopes .there are 10 b(20%)and 11b(80%).what is the average atom...
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