How many grams of sodium chloride are present in a .75 m solution with a volume of 500.0 millimeters

Adeuteron, 21h, is the nucleus of a hydrogen isotope and consists of one proton and one neutron. the plasma of deuterons in a nuclear fusion reactor must be heated to about 3.02×108 k . what is the rms speed of the deuterons? express your answer using two significant figures.

How many moles of no2 will form when 3.3 moles of cu are reacted with excess hno3?

Fred is studying a substance that is made out of only one element. this means that