Question

Ch 2 acid and bases activity 2.11 table 2.2

Answer 1

Answer:

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Explanation:

SOLUTION APPROXIMATE pH value

saliva (before meal) = 7.5

saliva(after meal) = 6.0

lemon juice = 2.2-2.4

colourless aerated

drink. = 6.0

carrot juice. = 5.0-6.0

coffee. = 4.5-5.5

tomato juice. = 4.0-4.4

tap water. = 7.0

1M NaOH. = 14

1M HCL. = 1

Answer 2

Answer:

Explanation:

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