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Author Question: A 2.19-g sample of an acid, H2X, requires 45.0 mL of a 0.500 M NaOH solution for complete reaction ... (Read 37 times)

Awilson837

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Question 1

A 19.0-mL sample of tartaric acid is titrated to a phenolphthalein endpoint with 20. mL of 1.0 M NaOH. Assuming tartaric acid is diprotic, what is the molarity of the acid?

1.0 M
0.53 M
2.0 M
1.05 M
Additional information is needed.

Question 2

A 2.19-g sample of an acid, H2X, requires 45.0 mL of a 0.500 M NaOH solution for complete reaction (removing both protons). The molar mass of the acid is:

97
240
217
195
None of these are correct.


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Marked as best answer by Awilson837 on Mar 21, 2021

jaaaaaaa

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Awilson837

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Reply 2 on: Mar 21, 2021
:D TYSM


elyse44

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Reply 3 on: Yesterday
Wow, this really help

 

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