1.

If the ionic product of water (K_(w) ) is 1.96 xx 10^(-14) at 35^(circ)C what is its value at 10^(circ)C?

Answer»

`1. 96 xx 10^(-14)`
` 3.92 xx 10^(-14)`
` 2.95 xx 10^(-15)`
` 1.96 xx 10^(-13)`

SOLUTION :` KW downarrow " with "T downarrow `
` THEREFORE K w lt 10 ^(-14)rArr 2. 95 xx 10 ^(-15) `


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