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The composition of a compound is 20.01% carbon and 79.99% oxygen by mass. what is its empirical formula?
Answers: 1
Chemistry, 21.06.2019 20:30
9. write the chemical equation for the following word equations. include symbols for physical states in the equation. a. solid zinc sulfide + oxygen gas -> solid zinc oxide + sulfur dioxide gas b. aqueous hydrochloric acid + aqueous barium hydroxide -> aqueous barium chloride + water
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Chemistry, 22.06.2019 03:10
Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.
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Chemistry, 22.06.2019 04:00
Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?
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Chemistry, 22.06.2019 04:00
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?
Answers: 2
The composition of a compound is 20.01% carbon and 79.99% oxygen by mass. what is its empirical form...
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