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At what temperature is the solubility of potass... - JAMB Chemistry 2018 Question

At what temperature is the solubility of potassium trioxonitrate(V ) equal to that of sodium trioxonitrate (V)?

A
0\(^o\)c
B
30\(^o\)c
C
40\(^o\)c
D
45\(^o\)c
correct option: d

Potassium Trioxonitrate (V), KNO\(_3\), and Sodium Trioxonitrate (V), NaNO\(_3\)... the point of intersection of this two compound on the solubility graph is traced downward to the temperature axis and the result gives 45 \(^o\)C

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