Cálculo de pH y Poh

Quiz
•
Chemistry
•
1st Grade
•
Medium
Elizabeth Castro
Used 4+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué fórmula se utiliza para calcular el pH?
pH = -log[H+]
pH = -[H+]
pH = log[H+]
pH = [H+]
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la fórmula para calcular el Poh?
Poh = -log[OH-]
Poh = -log[H+]
Poh = [OH-] / log
Poh = log[OH-]
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si el pH de una sustancia es 3, ¿cuál es su concentración de iones hidrógeno?
10^-6 M
10^-2 M
10^-4 M
10^-3 M
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si el Poh de una solución es 9, ¿cuál es su concentración de iones hidróxido?
1x10^(-7) M
1x10^(-11) M
1x10^(-9) M
1x10^(-3) M
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la relación matemática entre el pH y el Poh?
pH x Poh = 14
pH / Poh = 14
pH - Poh = 14
pH + Poh = 14
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué significa que una sustancia tenga un pH de 7?
La sustancia es corrosiva
La sustancia es alcalina
La sustancia es ácida
La sustancia es neutral.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si la concentración de iones hidrógeno es 1x10^-5 M, ¿cuál es el pH de la solución?
3
7
10
5
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