Lab: Reaction Rate Answers

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Identify each substance as an acid or a base.liquid drain cleaner, pH 13.5

acidic

basic

neutral

milk, pH 6.6

acidic

basic

neutral

an aqueous solution of NaOH

pH = 13

pH = 7

pH = 4

Choose the most acidic substance in the group.

lemon juice, pH = 2.25

orange juice, pH = 3.75

milk, pH = 6.6

seawater, pH = 8

Which of these substances has the highest pOH?

0.10 M HCl, pH = 1

0.001 M HNO3, pH = 3

0.01 M NaOH, pH = 12

n =

–4

–10

n =

–3

–11

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