Chemical Quantities Review

Names 1

100

KCl 

Potassium Chloride 

200

Sulfuric Acid

H₂SO₄

300

NF

Nitrogen Monoflouride 

400

H₂(CO₃)

Carbonic Acid 

500

Oxygen TetraFlouride

OF₄

Names 2

100

Ca(CNO)₂

200

Scandium Perchlorate 

Sc(CLO₄₎

300

ZnI₂

Zinc Iodide

400

Sn(SO₃)₂

Tin Sulfite 

500

N₂O₄

Dinitrogen tetraoxide

Atoms, grams, Moles and two step conversion

100

Avagrado's number 

6.02 x 10 ²³

200

The conversion from moles to grams 

the molar mass of an element in grams 

300

The number of moles that are equal to 1.27 x 10²³ molecules of H₂O

0.211 moles of H2O

400

The # of atoms that are equal to 4.61 moles of carbon

2.78 x 10²⁴ atoms carbon

500

What is the mass of 2.31 x 1023 formula units of SrF₂

48.2 grams 

Volume, Moles and two step conversion

100

1 mole = 

22.4 L 

200

What is the volume of 13.21 g of ethane gas (C2H6) at STP?

9.840 Liters C₂H₆

300

The number of moles of carbon monoxide gas (CO) that would occupy 17.24 L at STP?

0.7696 moles of CO 

400

What  volume would 0.358 moles of nitrogen gas (N2)     occupy at STP?

8.02 L N₂

500

How many molecules of SO2 gas would occupy 4.15 L at STP?

1.12 x10²³ molecules of SO₂

Percent Comp

100

The formula for percent composition? 

mass of the element divided by mass of the compound 

200

What is the percent Oxygen in H₂O

88.81%

300

What is the % Al in Al₂(CrO₄)₃?

13.42%

400

Find the % composition for Zinc in Zn(ClO₃)₂.

28.15%

500

What is the empirical formula of a compound that is 27.3 % C and 72.7 %  O?

CO₂