Gen Chem Exam 2

C2H3O2-

Acetate

CO3-2

Carbonate

HCO3-

hydrogen carbonate

OH-

hydroxide

NO2-

nitrite

NO3-

nitrate

CrO4-2

chromate

Cr207-2

dichromate

PO4-3

Phosphate

HPO4-2

Hydrogen phosphate

H2PO4-

dihydrogen phosphate

NH4+

ammonium

ClO-

ClO2-

ClO3-

hypochlorite

Chlorite

Chlorate

ClO4-

perchlorate

MnO4-

Permanganate

SO3-2

sulfite

HSO3-

hydrogen sulfite

SO4-2

sulfate

hydrogen sulfate

H2SO4-

CN-

cyanide

O2-2

peroxide

3+

3+

2+

2+

1+

Al, Ga, Zn, Cd, Ag

7

9

10

-ate = -ic ite=ous

A. Find moles of each element B. Divide by smallest number of moles C. Convert each number to a whole number

A. Need EF and compounds molecular mass B. Find whole number multiplier by dividing the molecular mass by the EF mass