What is the concentration (m) of a nacl solution prepared by dissolving 9. 3 g of nacl in sufficient water to give 350 ml of solution?.

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.