Chemistry, 28.07.2021 14:30 chantelljenkins2
2.3 A combustion of 3.87 mg sample of a certain vitamin, that contains C, H and 0. gave 5.80 mg of CO2 and 1.58 mg of H2O. Calculate the percentage composition of C, H and O in this vitamin. (8)
Answers: 3
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Over the last 90 years, scientists have added to the body of evidence supporting the big bang theory. what is the latest piece of evidence discovered in 2014?
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The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a
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What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate
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An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³
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2.3 A combustion of 3.87 mg sample of a certain vitamin, that contains C, H and 0. gave 5.80 mg of C...
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