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the percent composition, Exercises of Chemistry

Chemistry

Questions on how to determine the percent composition

Typology: Exercises

2022/2023

Uploaded on 05/19/2024

nada-adwan
nada-adwan 🇦🇪

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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: ___________
  2. NaOH Na: ___________ O: ___________ H: ___________
  3. (NH 4 ) 2 S N: ___________ H: ___________ S: ___________
  4. N 2 S 2 N: ___________ S: ___________ Name ________________________ Date _____________ Block ______
  1. KMnO 4 K: ___________ Mn: ___________ O: ___________
  2. HCl H: ___________ Cl: ___________
  3. Mg(NO 3 ) 2 Mg: ___________ N: ___________ O: ___________
  4. (NH 4 ) 3 PO 4 N: ___________ H: ___________ O: ___________ P: ___________
  5. Al 2 (SO 4 ) 3 Al: ___________ S: ___________ O: ___________
  1. HCl H: 3% Cl: 97%
  2. Mg(NO 3 ) 2 Mg: 16% N: 19% O: 65%
  3. (NH 4 ) 3 PO 4 N: 28% H: 8% O: 43% P: 21%
  4. Al 2 (SO 4 ) 3 Al: 16% S: 28% O: 56%