Chemistry, 13.06.2021 19:10 carebear147

I took in chemical lab experiment called(molecular mass of volatil liquid ) in this experiment they said we should make a hole in the aluminum foils by needle ... my question is why we should make a holl in the aluminum ?? #chemical

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I took in chemical lab experiment called(molecular mass of volatil liquid ) in this experiment they said we should make a hole in the aluminum foils by needle ... my question is why we should make a holl in the aluminum ?? #chemical​

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I took in chemical lab experiment called(molecular mass of volatil liquid ) in this experiment they said we should make a hole in the aluminum foils by needle ... my question is why we should make a holl in the aluminum ?? #chemical