Help with chemistry homework, please! Mass and Mole? - Freemason Hirams Travels Masonic Forums

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03-21-2008, 03:38 PM

fordgtman1992

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Help with chemistry homework, please! Mass and Mole?

Can i please have some answers and the work for each please?
1- Find the mass of 3.65x10(-2) mol K(2)SO(4)

2- What is the density of N(2)O, a gas, at STP?

3- What is the mass of two moles of NaCl?

4- How many moles are there in 16 grams of O(2)?

5- What is the volume of 16 grams of O(2) at STP?

I am very confused on this material, and would very much appreciate some help.

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