Chemistry, 18.11.2019 11:31 briarwilliams9668
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the mass of cobalt-60 in a sample decreased from 0.800g to 0.200g over a period of 10.5 years. from this information, calculate the half-life of cobalt-60.
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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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Nonpoint source pollution is difficult to control because it
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Reduction is a reaction which results in a in electrons and a in positive charge of the atom or ion 1) a- loss 1) b- gain 2) a-increase 2) b-decrease
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How many oxygen atoms are there in 3.15 moles of hcl manganese (iv) oxide, mno2
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the mass of cobalt-60 in a sample decreased from 0.800g to 0.200g over a pe...
the mass of cobalt-60 in a sample decreased from 0.800g to 0.200g over a pe...
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