2º ANO Soluções
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Hard
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 100mL de solução 0,5M de H2SO4 adicionou-se 400mL de água. Qual a concentração final em mol/L?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Observe o gráfico a seguir e assinale corretamente:
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Observe o gráfico a seguir e assinale as alternativas corretas:
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Observe a figura, que representa a solubilidade, em g por 100 g de H2O, de 3 sais inorgânicos em determinada faixa de temperatura.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A partir da análise desse gráfico, identifique os dois sistemas em que a solução é supersaturada.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Os pontos A, B e C são classificados corretamente como:
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Misturam-se 200 mL de solução de hidróxido de potássio de concentração 5,0g/L com 300 mL de solução de mesma base com concentração 4,0g/L. A concentração final em g/L é:
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