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Q. According to William Henry; the solubility of a gas in liquid depends on the pressure of the gas. If ‘m’ is the molality of the gas and ‘P’ is its pressure then which of the following plot is in accordance with the law:

Solutions

Solution:

$m = kP$
ln $m = ln P + ln k$
log $m=log P + log k$
Comparing with $y=mx+c$ we get graph given in option (b)