A chemist needs 3 moles of, O2 gas for a particular experiment. How many liters of O2 should she use?

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit

How is the solubility of a carbon dioxide gas in water increase?

One student said that the investigation was not valid (a fair test). write a plan for the investigation that includes improvements to the method and apparatus