
Quiz sobre Massa e Volume Molar
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Medium
Standards-aligned
ANDREIA CHRISTINA IGNACIO
Used 5+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a massa molar da água (H2O)? Dados: H = 1; O = 16.
16 g/mol
18 g/mol
20 g/mol
22 g/mol
Tags
DOK Level 1: Recall
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quantos moles estão em 88 gramas de dióxido de carbono (CO2)? (Massa molar de CO2 = 44 g/mol)
1 mol
2 mol
3 mol
4 mol
Tags
DOK Level 1: Recall
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
De acordo com o princípio de Avogadro, volumes iguais de gases à mesma temperatura e pressão contêm:
Diferentes números de moléculas
O mesmo número de moléculas
A mesma massa
Diferentes massas
Tags
DOK Level 1: Recall
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o volume molar de um gás ideal em condições padrão de temperatura e pressão (CNTP)?
22,4 L/mol
24,0 L/mol
20,0 L/mol
18,0 L/mol
Tags
DOK Level 1: Recall
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule o número de mols em 36 gramas de água (H2O). (Massa molar de H2O = 18 g/mol)
1 mol
2 mol
3 mol
4 mol
Tags
DOK Level 1: Recall
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a massa molar do cloreto de sódio (NaCl)? Dados: Na = 23; Cl = 35,5
35,5 g/mol
58,5 g/mol
60,5 g/mol
75,5 g/mol
Tags
DOK Level 1: Recall
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quantas moléculas existem em 1 mol de uma substância?
6.02 × 10^22
6.02 × 10^23
6.02 × 10^24
6.02 × 10^25
Tags
DOK Level 1: Recall
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