What amount (in moles) is present in 2.0g of sodium hydroxide, NaOH

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?

How many moles of al3+ ions are in 1.25 moles of al2o3

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.