calculate the number of molecules in 200 gm of caco3.
science - Steve, Wednesday, November 7, 2012 at 4:00am
mol wt of CaCO3 is 100g
so, 200g = 2 moles = 2*6.02*10^23 molecules.
science - amy, Saturday, March 1, 2014 at 2:56pm
reason for _______ earth is tilted 23 1/2 from a line perpendicular to its orbit, the length of daylight varies and because of the angle at which the sun's energy strikes a given location through the years