A 5.65 g sample of a weak acid with Ka = 1.3 x 10-4 was combined with 5.20 mL of 6.10 mol L-1 NaOH and the resulting solution was diluted to 750 mL.
The measured pH of the solution was 4.25. What is the molar mass of the weak acid​

Astudent conducts an experiment to see how music affects plant growth. the student obtains four identical plants. each one is potted in the same type of soil and receives the same amount of sunlight and water each day. plant a listens to classical music for three hours each day. plant b listens to rock music for three hours each day. plant c listens to country music for three hours each day. plant d does not listen to any music at all. 2. based on the experiment in the scenario, which visual aid would be most in showing the change in the plants' heights over time? a. a pie chart b. a line graph c. a timeline d. a bar graph

Stages 1 and 4 of the demographic transition are similar in that

At which point on the diagram do convection currents occur to drive plate movement?