
Quiz on Common Concentration
Authored by PROFE DANI JACOMEL
Chemistry
12th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a unidade de concentração comum?
kg/L
L/mol
mol/L
g/L
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual fórmula representa a concentração comum?
C = m*v
C = v/m^2
C = v/m
C = m/v
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a massa de soluto em 200 ml de solução 60 g/L de NaCl?
200 g
60 g
12 g
0.2 g
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quantos gramas de NaOH são usados para preparamos 1000 ml de solução 50 g/l?
500 g
5.000 g
50 g
50.000 g
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a concentração de NaOH ao prepararmos 500 ml de solução com 25 g de soluto?
25 g/L
2.5 g/L
50 g/L
250 g/L
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das seguintes é uma expressão correta para partes por milhão (ppm)?
Uma parte de soluto por mil partes de solução
Uma parte de soluto por cem partes de solução
Uma parte de soluto por milhão de partes de solução
Uma parte de soluto por bilhão de partes de solução
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o uso principal da concentração comum na vida cotidiana?
Produção de medicamentos
Medição de temperatura
Calcular velocidade
Determinar pressão
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