Review for Moles and Metrics Test

Question 1

Write out the metric conversion line on your whiteboard

_____________________________________

Follow up

Which side is has the larger units? Smaller units?

Question 2

What are the base units for the following: Time Length Mass

Follow up

Does the metric conversion line work with any base unit? (Yes or No)

Question 3

How many centimeters are in a meter?

Follow up

How many milliliters are in a liter?

Question 4

Convert 5.6 x 103 nm to m. SHOW WORK!

Follow up

How many nanosecond are there in a second?

Question 5

Fill in the correct word or numbers in the blanks below:

1 mole = ____________ molecules/atoms/particles/formula units

1 mole = ____________ Liters

1 mole = ____________ grams/mole

Follow up

Where can you find the first two answers in the previous question?

Question 6

Convert 34.5 L of F2 gas at STP to moles? SHOW WORK!

Follow up

Does STP affect the problem at all?

Follow up #2

Does the molecule (F2) mentioned in the problem affect the answer?

Question 7

How many moles are in 8.6 x 1023 atoms of Ca?

Follow up

Does the atom (Ca) make a difference in how you answer this question?

Question 8

Convert 2.4 moles of CO to grams?

Follow up

Does the molecule (CO) mean anything in this problem?

Question 9

What is the formulas for density?

Follow up

If the molar volume is always 22.4 L, calculate the molar density of CO2? (Think: how do you get molar mass?)

Question 10

I want to measure 10 mL of water, what lab equipment should I use to measure this amount out?

Follow up

Why would I not want to use a beaker?

Question 11

What is the difference between accurate and precise?

Follow up

Describe the measured amounts as accurate, precise, both, or neither.

Accepted Amount: 4.5 gMeasured Amounts: 6.7 g, 6.6 g, 6.7 g

Question 12

How many liters are in 5.4 x 1023 molecules of H2 gas? (TWO STEPS!)

Follow up

What word was missing in the question that should let you know that it needs to be two steps?

Question 13

What is the difference between qualitative and quantitative?

Follow up

When should you use qualitative? Quantitative?