On dilution of acid
Concentration of H+ ions increases
Concentration of H+ ions decreases
Concentration of H+ ions remains unchanged
Concentration of OH- ions increases
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Answer:
concentration of H + ions decreases
Explanation:
Diluting acids and bases
When an acidic solution is diluted with water the concentration of H + ions decreases and the pH of the solution increases towards 7. To make the pH change by 1, a tenfold dilution is required (eg adding 9 cm 3 of water to 1 cm 3 acid). The acid is becoming less acidic.
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