How many molecules are in 17 amu of ammonia, NH3? A) 1.0 × 10²⁵
B) 2.0 × 10²⁴
C) 3.0 × 10²⁴
D) 6.0 × 10²³

You wish to prepare a buffer consisting of acetic acid and sodium acetate with a total acetic acetate plus acetate concentration of 250 mm and a ph of 5. what concentrations of acetic acid and sodium acetate should you use

How many grams of iron can be made from 16.5 grams of fe2o3

Amethod of separation that employs a system with two phases of matter, a mobile phase and a stationary phase, is called