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Question 43
43
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Question 43 • Physical Science
Sodium hydroxide NaOH was added to pure water open paren cap h sub 2 cap o close paren Which most likely were the pH values of the water before and after the sodium hydroxide was added to it?
Answer
A
before is equal to 7 , after is equal to 9
B
before is equal to 9 , after is equal to 7
C
before is equal to 7 , after is equal to 4
D
before is equal to 4 , after is equal to 7
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