Molar Mass of Compounds

Molar Mass of Compounds

10th Grade

15 Qs

quiz-placeholder

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Molar Mass of Compounds

Molar Mass of Compounds

Assessment

Quiz

Science

10th Grade

Hard

Created by

Lisa Thompson

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Glycerol has a molar mass of 92.09g/mol. Its percent composition is: 39.12% C, 8.75% H, and 51.12% O. What is the molecular formula for glycerol?

C2H3O2

CH2O

C2H4O2

C3H8O3

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the molecular formula if the empirical formula is C2H5 and the molecular molar mass is 58.14 g/mol?

C2H5

C4H10

C1H2.5

C4H8

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the molecular formula of a compound with an empirical formula of C2OH4 and a molar mass of 88 grams per mole?

C2O4H8

C8O2H4

C4O2H8

C4O8H2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the molecular formula if the empirical formula is CH2O and the molecular molar mass is 120?

CH2O

C2H4O2

C4H8O4

C6H12O6

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A compound has the molar mass of 170.0 g/mol and an empirical formula of SiF3. The compounds molecular formula is

SiF3

Si2F6

Si5F15

Si4F12

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the molecular formula for a compound with the empirical formula: K2SOand a molecular mass of 696g.

K2SO

K8SO16

K8S4O

K8S4O16 

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

the mass in grams of 1 mole of a substance

formula mass

electrolysis

molar mass

binary compound

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