
Avaliação Concentração Comum
Chemistry
10th Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 3 pts
O que é concentração comum?
A relação entre a massa de solvente e o volume de solução
A relação entre a massa de soluto e o volume de solução
A relação entre a massa de soluto e o volume de solvente
A relação entre a massa de solução e o volume de soluto
2.
MULTIPLE CHOICE QUESTION
45 sec • 3 pts
Qual é a unidade mais utilizada para concentração comum?
g/mL
g/L
kg/L
mol/L
3.
MULTIPLE CHOICE QUESTION
45 sec • 3 pts
Qual é a concentração de cloreto de sódio na água do mar, em média?
2,5 g/L
4,5 g/L
1,5 g/L
3,5 g/L
4.
MULTIPLE CHOICE QUESTION
45 sec • 3 pts
Qual é a fórmula para calcular a concentração comum?
C = m1*V
C = V*m1
C = m1/V
C = V/m1
5.
MULTIPLE CHOICE QUESTION
45 sec • 3 pts
Qual é a concentração em g/L de uma solução de iodeto de prata contendo 2,6 g em 1L de solução?
1,3 g/L
2,6 g/L
3,9 g/L
5,2 g/L
6.
MULTIPLE CHOICE QUESTION
45 sec • 3 pts
Ao evaporar o solvente de 500 mL de solução salina com concentração de 6 g/L, qual a massa de soluto obtida?
2 g
4 g
3 g
1 g
7.
MULTIPLE CHOICE QUESTION
45 sec • 3 pts
Evapora-se totalmente o solvente de 250 mL de uma solução aquosa de MgCl2 de concentração 8,0 g/L. Quantos gramas de soluto são obtidos?
2,0 g
8,0 g
6,0 g
4,0 g
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