Hydrogen h 2. helium mg 3. sodium k 4. magnesium he 5. potassium na

Find the mass in grams of 1.37x1020 particles of h3po4

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

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.