The concentration of a reactant is 4.0 x 10-2mol/L at t = 2.0 min. If the average consumption speed
of this reagent from t = 1.5 min to t = 2.0 min was
0.045 mol/L-s, what was its concentration at
t=l,5min?

Complete the following statements to describe solids, liquids, and gases. select the correct answer from each drop-down menu. a solid a definite volume and a definite shape. a liquid a definite volume and a definite shape. a gas a definite volume and a definite shape