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Acids and Bases

暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。

卡片总数: 4 张•内容版本: v4•公开卡包•更新时间: 8/1/2026

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#1
正面 (问题)

Hydrochloric acid is a strong acid and ethanoic acid is a weak acid. (a) State the meaning of the term strong acid.

背面 (解答)

completely dissociates/ionises (to form H+ ions)

#2
正面 (问题)

The pH of water at 30 °C is 6.92 Give the reason why water is neutral at this temperature.

背面 (解答)

[H+] = [OH–]

#3
正面 (问题)

Give the expression for the acid dissociation constant (Ka) for ethanoic acid (CH3COOH). Ka

背面 (解答)

ka = [CH3COO-][H+] ———————- CH3COOH

#4
正面 (问题)

Ethanedioate ions are poisonous because they react with iron ions in the body. Ethanedioate ions are present in foods such as broccoli and spinach. Suggest one reason why people who eat these foods do not suffer from poisoning.

背面 (解答)

The ethanedioic acid is only present in small quantities/low concentration in these foods