~Chemical Quantities~

Vocab

100

The number of things in one mole of a substance specifically, 6.02X10^23

What is Avogadro's Number?

200

The measure of how much space a particular mass of matter takes up, how closely packed the particles are

What is density? 

300

A derived unit calculated by dividing mass by volume

What is molarity

400

The substance being dissolved in a solution

What is the solute?

500

The condition at which gases take up 22.4 L per mole

What is standard temperature and pressure? 

Using the Mole Road Map

100

The number of atoms in 0.652 mol of iron

What is 3.93X10²³

200

The mass of four moles of water (rounded to the nearest whole number)

What is 72 grams?

300

The way you choose whether to multiply or divide by a conversion factor

What is putting the unit you are getting rid of in the bottom and the unit you want in the top? 

400

How many liters does 3.8 moles of O₂ occupy at STP?

What is 85.12 L O2

500

How many grams of carbon dioxide are there in a container with a volume of 4.50L at STP?

What is 2.41g CO2

Molar Mass

100

The molar mass of CaCl₂

What is 111.1

200

The molar mass of NaCl?

What is 58.44

300

The molar mass of Fe₂O₃

What is 159.6

400

The two types of conversions where you use molar mass

What are converting moles to grams and grams to moles? 

500

What is the molar mass of C₁₂H₂₂O?

What is 342.30

Molar Volume

100

The number of moles of gas in a 11.2 liters of pure neon gas

What is .5 moles?

200

The volume  0.750 moles of nitrogen gas will occupy

What is 16.8 L N2

300

The number of moles of methane are contained in 2.500 liters of methane (CH₄)

What is 0.112 mol CH4

400

What volume will 10 grams of ammonia occupy?

What is 13 L NH3

500

This is the number of nitrogen atoms in 44.8 L of nitrous oxide (N₂O) gas

What is 1.20*10²⁴ atoms? 

Planning Conversions

100

The unit you use and how you use it to convert from molarity to moles

What is multiplying by volume? 

200

The value that allows for gram to mole conversions for methane (CH₄) gas, including numbers of each component. 

What is molar mass of four hydrogen and one carbon?

300

How many moles of nitrogen are there in a 7.45 mol sample of ammonium phosphate (NH₄)₃PO₄?

What is 22.4

400

The two steps needed to convert from volume of gas to number of particles

What are dividing by 22.4 L/mol and multiplying by Avogadro's number. 

500

The steps you would need to take to find the density of a gas, given its molecular formula (i.e. CH₄)

What is find the mass of one mole and the volume of one mole (always 22.4 L), divide mass by volume?