Chemistry, 05.05.2020 09:01 patworsley
A certain compound has a molecular mass of 60g and has the following percentage by composition carbon 40 %, hydrogen 6.67% and oxygen 53.3%. Determine it's molecular formula
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If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?
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A650 ml sodium bromine solution has a bromide ion concentration of 0.245 m. what is the mass (g) of sodium bromide in solution? a) 103.b)0.00155.c)16400.d) 16.4.e) 0.159
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A certain compound has a molecular mass of 60g and has the following percentage by composition carbo...
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