Mol Test

Question 1

The Average diameter of COVID is 0.0000010m. What is this in scientific notation.

Answer 1

1.0^-6

Question 2

1.02x10^-2lbs
How many digits are certain.

Answer 2

2

Question 3

There are fourteen gallons of gas in a tank. True/false there are infinite Sig Figs

Answer 3

False

Question 4

True/False: 22g+71.30g+444.0g=537g with correct Sig Figs

Answer 4

True

Question 5

What is the mol a unit of measurement for?

Answer 5

Similar to a dozen or a score, 6.02x10^23 of something, usually particles.

Question 6

Why are Mass measurements a part of counting atoms, molecules and formula units?

Answer 6

Because particles are invisible, extremely light and almost impossible to count, the weight of a mol is a way to get an acruate guess at the amount of particles there are because every mol of an element has a weight.

Question 7

How many Sig Figs: 6.02214X10^23

Answer 7

6

Question 8

How many Sig Figs: 5010

Answer 8

3

Question 9

How many Sig Figs: 0.04930

Answer 9

4

Question 10

What number would 6.02214X10^23 be with four Sig Figs

Answer 10

6.022x10^23

Question 11

What number would 5010 be with two Sig Figs

Answer 11

5.0x10^3

Question 11

what Number would 0.04930 be with two Sig Figs

Answer 11

4.9x10^-2