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How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.
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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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Alight has a wavelength of 4.10×10^12m . what is the frequency?...
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