Day 8 - Molar Mass

Question 1

It is also known as the molecular weight. The sum of the total mass in grams of all atom that make up a particular molecule

Answer 1

Molar Mass

Question 2

How to find molar mass?

Answer 2

Grams / Mole

Question 3

It is the number of things equal to the express amounts of a chemical substance. It is the base unit in International System of Units and it also corresponds to Avogadro’s Number

Answer 3

Mole

Question 4

How many Molar mass and its Percent Composition?

LiI

Answer 4

133.8g/mol
Li - 5.18%
I - 94.84%

Question 5

How many Molar mass and its Percent Composition?

PbCO4

Answer 5

283.2g/mol
Pb- 73.16%
C - 4.24%
O - 22.60%

Question 6

How many Molar mass and its Percent Composition?

Mg(OH)2

Answer 6

58.32g/mol
Mg - 41.67%
O - 54.87%
H - 3.46%

Question 7

How many Molar mass and its Percent Composition?

K3PO4

Answer 7

212.3g/mol
K - 55.25%
P - 14.59%
O - 30.15%

Question 8

How many moles are there in 24.0g of FeF3?

Answer 8

0.213 mol

Question 9

How many moles are there in 458g of Na2SO4?

Answer 9

3.22mol

Question 10

How many grams are there in 7.40mol of AgNO3?

Answer 10

1260g