In condensation,
a gas becomes a liquid.
a gas becomes a solid.
a solid becomes a gas.
a liquid becomes a gas.

Alculate the concentration of h3o⁺in a solution that contains 5.5 × 10-5m oh⁻at 25°c. identify the solution as acidic, basic, or neutral. a) 1.8 × 10-10m, basicb) 1.8 × 10-10m, acidicc) 5.5 × 10-10m, neutrald) 9.2 × 10-1m, acidice) 9.2 × 10-1m, basic

Iknow #2 is d. i just need to know why

What is the mass of 4 molecules of co2