What is the [H3O+] in 0.550 molar C6H5COOH? Given: pKa = 4.19

A.
5.96 × 10-3 molar
B.
9.38 × 10-3 molar
C.
0.76 × 10-3 molar
D.
5.96 × 103 molar

Evaporation: this is when warmth from the sun causes water from oceans, lakes, streams, ice and soils to rise into the air and turn into water vapour (gas). water vapour droplets join together to make clouds! condensation: this is when water vapour in the air cools down and turns back into liquid water.

10.063g / 10.00 ml = 1.0063 g/ml which rounds off to 4 sig figs as: 1.006 g/ml

C6irc68rd6rid5rucr5u i6i iyf yif ify iyf ify yfi itf yfi yfi icy yfi yci yci iyc iyf iyf