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December 22, 2014

December 22, 2014

Posted by **cheryl** on Monday, October 3, 2011 at 9:59pm.

i have 6.498716 is this correct?

what is the mass of air in the room in kilograms assuming the density of the air is 1.2g/l and the room is empty of furniture.

i have mass of 1.2g/g=m/6.498716

then said m=1.2/6.498716 with an answer o 5.415596667 for the air density.

is this correct

- chemistry -
**DrBob222**, Monday, October 3, 2011 at 10:11pm6.4987 cubic meters is off by a factor of 10; should be 64.987 but that is too many significant figures.

I don't think your soln is correct for #2. mass = volume x density. You divided d/v which is not right.

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