
Mistura de Soluções
Chemistry
10th Grade
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a unidade de medida para a concentração molar?
g/L
mol/L
kg/L
mol/g
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Complete: O título τ é igual a m1 ____. A) m B) V C) n D) V'. Resposta: A
m
V
n
V'
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Complete: A relação de concentração é dada por C V = C' V'.
Verdadeiro
Falso
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a fórmula para a concentração final C'?
C' = m1/V'
C' = n1/V'
C' = m/V
C' = n/V
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que ocorre quando misturamos soluções com o mesmo solvente, mas solutos diferentes?
A) A concentração aumenta
B) A concentração diminui
C) A concentração permanece a mesma
D) A solução evapora.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que é necessário para realizar uma titulação?
Solução padrão
Solução desconhecida
Indicador
Todas as anteriores.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Complete: A titulação é usada para determinar a concentração de soluções _______.
ácidas
básicas
neutras
todas as anteriores
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