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Chemistry, 22.06.2019 12:30, kaliyab191
Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?
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Fossil fuels are organic compounds that are made from
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How many neutrons does an element have if its atomic number is 50 and its mass number is 166
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Using the periodic table, complete the following. element: hydrogen symbol: h₂ molecular weight: g mass of one mole: g/mol
Answers: 3
Which of the following would be the most appropriate unit for measuring the length of a pencil? a....
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