Help please hurry lots of points
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Chemistry, 22.06.2019 04:00
Write the empirical chemical formula of calcium with a mass percent of 38.8, phosphorus with a mass percent of 20.0, and oxygen with a mass percent of 41.3.
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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 10:10
Stage in which a typical star has completely stopped fusion
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Chemistry, 22.06.2019 12:00
Which of the following units is not an official si unit? mole liter kilogram ampere
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