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The vander waals constatn 'b' of a gas i...

The vander waals constatn 'b' of a gas is `4 pi xx 10^(-4) L//mol`. The radius of gas atom can be expressed in secientific notation as `z = 10^(-9)cm`. Calculate the value fo `z`.(Given `N_(A) = 6 xx 10^(23))`

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