Winterim Review

Metric

100

Convert 1 meter to megameters.

1x10^-6 Mm

200

Convert 2.13L to µL.

2.13x10⁶ µL

300

Convert 2.2 dag to dg.

220 dg

400

Convert 6x10⁴ mm to km

0.06 km

500

How many HL would 500.2 kL be?

5002 kL

Conversions

100

How many centimeters is 9.5 inches?

24 cm

200

70. km/h in mph?

43 mph

300

If a faucet flows at 1.32 L per minute, how long would it take to fill a gallon sink in seconds?

200. min

400

How many years would it take for a tree to grow to 60.0 feet if it grows at a rate of 0.02 mm per minute?

2 years

500

Uber charges a rate of $1.01 per mile. How much would it cost to drive 4.0x10³ m?

$2.5

Mole Conversions

100

If you have 12.0g of Na, how many moles?

0.522 mol Na

200

If you have 4x10²⁵ molecules of H₂, how many moles?

100 g H₂

300

If you have 0.5 moles of CH_4, how many moles of H atoms?

2 mol H atoms

400

If you have 31.42 grams of CO₂, how many atoms of O?

8.601x10²³ atoms O

500

If you have 24.3 grams of Mg(OH)₂, how many grams of Mg?

10.1 g Mg

Molar Mass

100

NaCl

58.453 g/mol

200

FeCl₃

 162.209 g/mol

300

NH₄⁺

18.00 g/mol (electrons don't change mass)

400

(NH₄)₂SO₄

132.07 g/mol

500

C₆H₅COOH 

122.12 g/mol

Formula Writing/Nomenclature

100

Sodium chloride 

What is NaCl?

200

potassium nitrate

What is KNO₃?

300

Iron (II) Oxide

FeO

400

Chromium (III) sulfate 

Cr₂(SO₄)₃

500

SnO₂

What is tin (IV) oxide?