Ion concentration and pH (3.4) | Edexcel GCSE Combined Science (1SC0) — Chemistry — Higher | KnowledgeSet

Ion concentration and pH

Chemistry (Combined Science) · GCSE · Edexcel · Edexcel GCSE Combined Science (1SC0) — Chemistry — Higher · Specification point · 3.4 · Chemical change · Acids

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Students should:	Maths skills
$3.4 Recall that the higher the concentration of hydrogen ions in an acidic solution, the lower the pH; and the higher the concentration of hydroxide ions in an alkaline solution, the higher the pH$	$1c$