Question

I do not understand these questions, please help!

Questions



A solution of pH 3 has times (more/fewer) H+ than a solution of pH 7.




A solution of pH 9 has times (more/fewer) H+ than a solution of pH 4.





How many moles of H+ are in a liter of solution with a pH of 4?




How many H+ are there in a liter of a solution with a pH of 4?




Diffusion and Molecular Weight



What was the hypothesis that you tested in this demonstration?





What is the independent variable(s)?





What is the dependent variable?





Complete the following table:



distance substance diffused over time in millimeters


time malachite green (mm) potassium permanganate (mm)


one hour


two hours


three hours


four hours




Do the results in the table above support the hypothesis?





What relationship exists between molecular weight and the rate of diffusion?

Answer 1

Too much questions

Step-by-step explanation:

Your questions are very many,choose atleast 5