Joan L.

01/13/15

Gas law question

An oxide of nitrogen was found by elemental analysis to contain 25.9% nitrogen. If 54g of this gas were found to occupy 11.2L at 273.15K and 1.00atm, what are the empirical and molecular formulas... more

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Answers •1

Math

07/12/13

If I have a total sales figure of 6645.16 (which includes sales tax) and I want to figure out what my sales is prior to sales tax, (the sales tax rate is 7%)

how do I figure that amount? I thought I would take 93% of the total sales of 6645.16 and come up with the net sales (prior to sales tax) but it doesn't work that way. Because I come up with... more

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Answers •5