
Lección Cálculos Moleculares
Presentation
•
Chemistry
•
12th Grade
•
Practice Problem
•
Medium
Cristina Quintero
Used 8+ times
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0 Slides • 8 Questions
1
Multiple Choice
¿Cuál es la composición porcentual de Hidróxido de Sodio NaOH?
Na = 57,5 %
O = 16 %
H = 2,5 %
Na = 67 %
O = 12 %
H = 21 %
Na = 50 %
O = 18 %
H = 32 %
2
Multiple Choice
¿Cuál es la composición porcentual del Ácido Acético C2H202?
C = 41 %
H = 19,5 %
O = 39,5 %
C = 39,81 %
H = 20,04 %
O = 40,15 %
C = 39 %
H = 24 %
O = 37 %
3
Multiple Choice
¿Cuál es la composición porcentual del Sulfato de Cobre CuSO4?
Cu = 60,5 %
S = 32 %
O = 67 %
Cu = 66 %
S = 26 %
O = 66.5 %
Cu = 63,5 %
S = 32 %
O = 64 %
4
Multiple Choice
¿Cuántos kg de Agua H2O hay en 7,12X10^26 partículas?
2,321 kg
0,84 kg
21,281 kg
5
Multiple Choice
¿Cuántas partículas de CO2 hay en 4,2 moles?
2,53X10^24
2,53X10^21
3,55X10^23
6
Multiple Choice
¿Cuántas moles hay en 120g de Formol CH2O?
3,5 Moles
4 Moles
4,5 Moles
7
Multiple Choice
Halle la fórmula empírica de C=85,63% H=14,3%
C2H
CH2
CH
8
Multiple Choice
Halle la fórmula empírica de K=26,57% Cr=35,36% O=38,07%
K2CrO7
KCr2O6
K2Cr2O7
¿Cuál es la composición porcentual de Hidróxido de Sodio NaOH?
Na = 57,5 %
O = 16 %
H = 2,5 %
Na = 67 %
O = 12 %
H = 21 %
Na = 50 %
O = 18 %
H = 32 %
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