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Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.
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Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?
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Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3 -> a2cr(no3)3 + a3ag2so4
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A first-order reaction has a half-life of 26.4 seconds. How long does it take for the
concentration...
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