Example:
3.40 g of an unknown chloride is analyzed by gravimetric analysis against excess silver nitrate to
determine its identity. 6.615 grams of dry precipitate was collected. what is the identity of the
unknown given the following possibilities:
licl
nacl
kci
cacl2• 2h20
srcl2 • 6 h20

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.

Which statement best explains the relationship between an area is geography and the temperature of its surface water

The element that has the greatest electronegativity is