How many moles are in 124.0 grams of sodium hydroxide, NaOH (Molar Mass of 40.0 g/mol) a. 4960. moles
c. 3.100 moles
b. 0.3226 moles
d. 22.99 moles

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

Compare and contrast the bohr model and the electron cloud models of the atom.

A100 kmol/h stream that is 97 mole% carbon tetrachloride (ccl4) and 3% carbon disulfide (cs2) is to be recovered from the bottom of a distillation column. the feed to the column is 16 mole% cs2 and 84% ccl4, and 2% of the ccl4 entering the column is contained in the overhead stream leaving the top of the column. calculate the mass and mole fractions of ccl4 in the overhead stream, and determine the molar flow rates of ccl4 and cs2 in the overhead and feed streams. 12. mw_ccla- 153.82; mw_cs2-76.14.