review-Section 4
Which has the larger percent by mass of sulfur, H2SO3 or H2S208?
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Which has the larger percent by mass of sulfur, H2SO3 or H2S208?
Slide 1 - Open vraag
Propane is a hydrocarbon, a compound composed only of carbon and hydrogen. It is 81.82 % carbon and 18.18 % hydrogen. What is the Empirical formula ?
Slide 2 - Open vraag
A compound was found to contain 49.98 g of carbon and 10.47 g of hydrogen. The molar mass of the compound is 58.12 g/mol. What is its molecular formula?
Slide 3 - Open vraag
What information must a chemist have to determine the molecular formula of the compound?
Slide 4 - Open vraag
Which of the following formulas -NO, N2O2, N204 and N205-represent the empirical and molecular formula of same compound ?
Slide 5 - Open vraag
CHALLENGE-Do all pure samples of a given compound have the same % composition ? Explain
