2 answers

1 - What is the density of fluorine gas at STP

Question:

1 - What is the density of fluorine gas at STP?
2 - 45 ML of SO2 is collected at STP. How many SO2 molecules are in the sample?

3 - What is the mass of 8.25 X 10 @2 SLC2 moleculesl?
4 - A sample of hydrated madnesium sulfate is %1.1% water. What is the hydrate formula?

Answers

the density of flourine gas at stp is calculated by using the answer that is provided with the ratio of its molar mass to 22.4L which is 1.696

.

pv=nrt

in stp , t=273 k

n=no. of moles ,which is equal to 19 

r is contant 


.

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