Molecular formula

Molecular formula

10th - 11th Grade

6 Qs

quiz-placeholder

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Molecular formula

Molecular formula

Assessment

Quiz

Other

10th - 11th Grade

Medium

Created by

Claudia Parrott

Used 45+ times

FREE Resource

6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the molecular formula if the empirical formula is CH2O and the molecular molar mass is 180.18?

CH2O

C2H4O2

C4H8O4

C6H12O6

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the molecular formula for a compound with the empirical formula K2SO4 and a molecular mass of 696G?

K2SO4

K8SO16

K8S4O8

K8S4O16

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

EF = CF2

Molecular formula mass = 192

MF = ?

C4F8

C4F

CF8

C2F4

4.

MULTIPLE CHOICE QUESTION

5 mins • 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

5.

MULTIPLE CHOICE QUESTION

5 mins • 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

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Epinephrine (adrenaline) is a hormone secreted into the bloodstream in times of stress. It contains 59.0% C, 7.15% H, 26.20% O, 7.65%N and has a molar mass of 183 g/mol. What is its molecular formula?

C9H13NO3

C5H11N3O2

C8H12NO2

C7H9N2O