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An aqueous solution of an unknown solute is tested with litmus paper and found t

ID: 821065 • Letter: A

Question

An aqueous solution of an unknown solute is tested with litmus paper and found to be basic. The solution is weakly conducting compared with a solution of NaCl of the same concentration. Which of the following substances could the unknown be:

An aqueous solution of an unknown solute is tested with litmus paper and found to be basic. The solution is weakly conducting compared with a solution of NaCl of the same concentration. Which of the following substances could the unknown be:

NaOH
CH3COCH3
NH3
H3PO3
HNO3

Explanation / Answer

H3PO3

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