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Percent Composition Worksheet II, Exercises of Chemistry

Université de Mons-HainautChemistry

Percent Composition Worksheet - Solutions. Find the percent compositions of all of the elements in the following compounds: 1). CuBr2. Copper (II) Bromide.

Typology: Exercises

2021/2022

Uploaded on 08/05/2022

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Percent Composition
Worksheet II
Find the percent compositions of all of the elements in the following compounds:
1) CuBr
2
Cu: ___________
Br: ___________
2) NaOH
Na: ___________
O: ___________
H: ___________
3) (NH
4
)
2
S
N: ___________
H: ___________
S: ___________
4) N
2
S
2
N: ___________
S: ___________
Name ________________________
Date _____________ Block ______
pf3
pf4

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Percent Composition

Worksheet II

Find the percent compositions of all of the elements in the following compounds:

  1. CuBr 2

Cu: ___________ Br: ___________

  1. NaOH

Na: ___________ O: ___________ H: ___________

  1. (NH 4 ) 2 S

N: ___________ H: ___________ S: ___________

  1. N 2 S 2

N: ___________ S: ___________

Name ________________________ Date _____________ Block ______

  1. KMnO 4 K: ___________ Mn: ___________ O: ___________

  2. HCl

H: ___________ Cl: ___________

  1. Mg(NO 3 ) 2 Mg: ___________ N: ___________ O: ___________

  2. (NH 4 ) 3 PO 4 N: ___________ H: ___________ O: ___________ P: ___________

  3. Al 2 (SO 4 ) 3 Al: ___________ S: ___________ O: ___________

  1. HCl

H: 3% Cl: 97%

  1. Mg(NO 3 ) 2

Mg: 16% N: 19% O: 65%

  1. (NH 4 ) 3 PO 4

N: 28% H: 8% O: 43% P: 21%

  1. Al 2 (SO 4 ) (^3) Al: 16%

S: 28% O: 56%