Worksheet 3

Worksheet 3 - Worksheet 3 - Mass % and Empirical Formulas...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Worksheet 3 - Mass % and Empirical Formulas 1. You are given 100. g of each of the following compounds: a. Write their formulas and calculate their formula masses, in g/mol. Formula Formula mass aluminum oxide : ______________ __________ iron (III) oxide: ______________ __________ iron (II) oxide: ______________ __________ potassium permanganate ______________ __________ b. Rank your samples by the number of moles of compound present: most moles of compound fewest moles of compound __________ __________ __________ __________ c. Rank your samples by the number of moles of oxygen present: most moles of oxygen fewest moles of oxygen __________ __________ __________ __________ d. Rank your samples by the mass % oxygen present: highest mass % oxygen lowest mass % oxygen __________ __________ __________ __________ e. Rank your samples by the mass % of metal present: highest mass % metal lowest mass % metal __________ __________ __________ __________
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 . Analysis of a compound yields the following percent composition by
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 12/05/2011 for the course CHEM 231 taught by Professor Beck during the Spring '11 term at Indiana.

Page1 / 3

Worksheet 3 - Worksheet 3 - Mass % and Empirical Formulas...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online