How many oxygen atoms are in 30 molecules of c20h42s3o2?

If 15 drops of ethanol from a medical dropper weight 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? the density of ethanol is 0.80g/ml

Which of the four hypothetical substances you investigated would be most harmful to living organisms? 50 points!

At 35.0°c and 3.00 atm pressure, a gas has a volume of 1.40 l. what pressure does the gas have at 0.00°c and a volume of 0.950 l? which equation should you use? p2= p1v1t2/t1v2what is the pressure of the gas? 3.92 atm these are the answers