The Mole
2 years ago
bshagerman
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• Question 1
60 seconds
Q. What is the mole used for?
To measure the amount of grams in a substance
To measure the amount of atoms or molecules in a substance
To measure the amount of energy in a substance
To measure the amount of bonding in a substance
• Question 2
60 seconds
6.02 x 1023
- 6.02 1023
6.02 x 1022
6,020,000,000,000
• Question 3
60 seconds
Q. What is the molar mass of H2O?
6.02 x 1023
16 grams
18 grams
15.99999 grams
• Question 4
60 seconds
Q. What is the molar mass NaCl?
58 grams
22.95 grams
162 grams
6.02 x 1023
• Question 5
60 seconds
Q. How many atoms are in 1 mole of NaCl?
6.02 x 1023
58
11
17
• Question 6
60 seconds
Q. How many moles are in 32 grams of Oxygen (O)?
3
2
1
4
• Question 7
60 seconds
Q. How many moles are in 20 grams of Ca (Calcium)?
0.5
1
3
20
• Question 8
120 seconds
Q. How are the mole and atomic masses of elements related?
The atomic mass of any substance is always equal to 1 mole of that substance
The atomic mass added up with itself by 6.02 x 1023 equals the amount of atoms
The atomic mass is the amount of protons plus number of atoms
Atoms combined make up molecules, which are the measurement of atomic masses
• Question 9
60 seconds
Q.

What is the molar mass when you have 4 moles of CO2?

176 grams

54 grams

128 grams

280 grams

• Question 10
120 seconds
Q. What do two or more Avogadro's make?
Guaca-MOLE
Chemistry = fun
Hagerman more crazy
• Question 11
120 seconds
Q.

What is the difference between the atomic mass of an element and the molar mass of a compound?

The atomic mass is the added sum of ALL of the elements

The molar mass can be either the added sum of ALL the masses or the mass of a particular element

The molar mass and the atomic mass are always the same

The atomic mass of a compound is the average of H2O

• Question 12
120 seconds
Q.

Why is the mole used to measure the atom?

Atoms are extremely tiny particles, and their size varies from element to element

Atoms are all the same size for every element

Some atoms cannot be counted using the mole

Tu eres loco, Senior Hagerman.

• Question 13
120 seconds
Q.

The mole is a...

Unit to measure the amount of atoms in a substance

Unit to measure distance

Unit to measure time of atomic decay

Unit used to measure the size of each atom in a substance

• Question 14
60 seconds
Q.

What is this number called?

Mendeleev's Number

The mole

• Question 15
120 seconds
Q.

The mole can be used to measure (SELECT ALL CORRECT ANSWERS)