Wednesday
April 16, 2014

Homework Help: chemistry

Posted by lynda on Saturday, June 2, 2012 at 4:00am.

if a membrane filter from a cigarette weighs 0.0313g bfore sample has been drawn through and 0.0548g after what is the weight of particluate matter on filter in g and mg/cigarette ?
Volume of air sucked through=32x50ml=?mL=?L
concentration of particulate matter=?mg/L =? mg/m3 please?

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