Chem Test #2

Polyatomic ions

100

NH₄⁺

What is Ammonium?

200

C₂H₃O₂^-

What is acetate?

300

ClO₄^-

What is Perchlorate?

400

PO₄^3-

What is Phosphate?

500

CrO₄^2-

What is Chromate?

Acids

100

HCl

what is hydrochloric acid?

200

HBr

what is hydrobromic acid?

300

H₂SO₄

what is sulfuric acid?

400

HNO₃

what is Nitric acid?

500

HClO₄

What is perchloric acid?

Bases

100

NaOH

What is sodium hydroxide?

200

LiOH

What is lithium hydroxide

300

Ca(OH)₂

what is calcium hydroxide?

400

Sr(OH)₂

what is strontium hydroxide?

500

Ba(OH)₂

what is Barium Hydroxide?

Important Formulas

100

The number to use to go from moles to molecules/particles

what is Avogadro's number=6.022x10²³?

200

The formula for Molarity (M)

what is Moles solute/Liters of solution?

300

To go from Grams to moles

What is molar mass

400

The formula for Dilutions

What is M₁V₁₌M₂V₂?

500

Formula for moles from Molarity

What is Liters multiplied by Molarity?

Misc.

100

 The roman numeral exceptions

what are Ag⁺, Cd²⁺, Zn²⁺?

200

 the greek prefix for the number 4

what is tetra?

300

the four compounds/metals that are always soluble

what are group 1 metals, nitrate, acetate and ammonium?

400

The insoluble compounds 

what are carbonate, phosphate and hydroxide (except with ammonium or group 1 metals)?

500

the elements that make sulfate insoluble

what are Sr²⁺, Ba⁺, Ag⁺, Hg₂²⁺, Pb²⁺?