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酸と塩基まとめ(化学基礎範囲)

Authored by Kensaku H

Chemistry

9th - 12th Grade

Used 2+ times

酸と塩基まとめ(化学基礎範囲)
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16 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

1価の強酸はどれ?

CH3COOH

H2SO4

H2S

HNO3

HCl

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

2価の弱酸はどれ?

酢酸

シュウ酸

硫化水素

硝酸

塩酸

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

1価の弱塩基はどれ?

NaOH

KOH

Mg(OH)2

NH3

Ca(OH)2

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

2価の強塩基はどれ?

水酸化ナトリウム

水酸化バリウム

水酸化マグネシウム

アンモニア

Ca(OH)2

5.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

[H+]=1.0×10-5 mol/L の水溶液の pH を整数で答えなさい

(a)  

6.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

[H+]=0.010 mol/L の水溶液の pH を整数で答えなさい

(a)  

7.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

1.0 mol/L の CH3COOH(電離度 α=0.010 )の pH を整数で答えなさい

(a)  

Answer explanation

([H]= モル濃度 ✕ 電離度 ✕ 価数 )

[H]= 1.0 ✕ 0.010 ✕ 1 = 10-2 よって pH = 2

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