Conversions, Percent Compositions, & Formulas..oh my!

Naming

100

how would you write Alumnium and Oxygen as a compound

(as chemical forrmula

and written out Stock name0

Al₂O₃

200

Convert into symbols

Sodium Carbonate

Na₂CO₃

300

What is the name for 

Fe₂O

Iron (I) Oxide

400

what is wrong with the following 

what is the correct name for this

Ca (CH₃O₂)

acetate is missing a subscript 2

Calcium acetate

500

what is the names of the following

DOUBLE JEOPARDY EVERYONE

SO₆

F₂O₈

MgS

NF

sulfur hexoxide

difluorine octaoxide

magnesium sulfide

nitrogen monofluoride

Conversion problems

100

This is the number of moles in 98.5 grams of gold.

What is 0.5 moles (or half a mole)?

200

This is the mass of 6.39 moles of table salt.

What is 373.8 grams?

300

What is the molar mass of a carbonate ion

60 g/ mol

400

convert 15 moles of SO₂ to grams

960 grams

500

What is avogadro's number

6.022 x 10 ^23

Percent composition

100

After dividing the 2 masses (elements/total compound), you must multiply by this number always to get the percent composition.

What is 100?

200

This is the percent composition of hydrogen in water.

What is 11.1% H?

300

This is the percent composition of hydrogen in ammonium ion.

What is 22.2% H?

400

This is the percent composition of nitrogen in (NH4)2S?

What is 41.2% N?

500

What is the percent composition of oxygen in copper (II) phosphate?

What is 33.5% O?

Empirical Formula

100

This is the empirical formula for N4O10.

What is N2O5?

200

This is the empirical formula for a compound that has 48.0% C, 4.0% H and 48.0% O.

What is C4H4O3?

300

DOUBLE JEOPARDY EVERYONE

This is the empirical formula for a compound that has 36.0% C, 4.0% H, 28.0% N and 32.0% O.

What is C3H4N2O2?

400

This is the empirical formula for a compound that has 24.0 % C, 7.0 % H, 38.0 % F and 31.0 % P.

What is C2H7F2P?

500

This is the empirical formula of a compound that has 48.0 % C, 8.0 % H, 28.0 % N and 16.0 % O.

What is C4H8N2O?

Molecular Formula

100

This is the difference between molecular formula and empirical formula.

What is empirical formula shows ratio of atoms while molecular formula shows the number of each atom in 1 molecule? (subscripts are different)

200

This is the first step in calculating the molecular formula if empirical formula and molar mass of molecular formula is given.

What is find the molar mass of the empirical formula?

300

This is the molecular formula of a compound if its empirical formula is C2OH4 and it has a molar mass of 88 g/mol.

What is C4O2H8?

400

This is the molecular formula for a compound that has an empirical formula of C4H8N2O and a mass of 200 g/mol.

What is C8H16N4O2?

500

This is the molecular formula of a compound that has an empirical formula of C5H12N2 and a molar mass of 300 g/mol.

What is C15H36N6?