Výpočty pH

Výpočty pH

9th - 12th Grade

20 Qs

quiz-placeholder

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Výpočty pH

Výpočty pH

Assessment

Quiz

Science

9th - 12th Grade

Practice Problem

Hard

Created by

Stera Stera

Used 14+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Jaké je pH roztoku, ve kterém je látková koncentracec(OH–) = 10–2 mol dm–3:

2

13

12

11

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Jaké je pH roztoku, ve kterém je látková koncentracec(OH–) = 10–5 mol dm–3:

5

10

9

12

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Jaké je pH roztoku, ve kterém je látková koncentrace c(H3O+) = 10–2 mol dm–3:

3

2

10^(-12) mol/dm^3

12

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Jaká je látková koncentrace c(H3O+) v roztoku, kde c(OH–) = 10–10 mol dm–3:

0,0004 mol dm–3

10–10mol dm–3

10–7mol dm–3

0,0001 mol dm–3

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Jaké je pH roztoku kyseliny sírové, je-li látková koncentrace kyseliny sírové vtomto roztoku 0,005 mol dm–3?

3

4

2

5

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Jaká je látková koncentrace c(H3O+) v roztoku, kde c(OH–) = 10–5 mol dm–3:

10–9mol dm–3

10–5mol dm–3

0,00005 mol dm–3

0,5 mol dm–3

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Je-li koncentrace OH- iontů v roztoku silné báze c(OH–) = 1 · 10–8 mol dm–3, jaká je reakce tohoto roztoku a jeho pH?

pH = 6,0; roztok je kyselý

pH = 6,0; roztok je zásaditý

pH = 8,0; roztok je zásaditý

pH = 8,0; roztok je kyselý

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