Instructions
Answer the Following in your own words:
ALL WORK must be shown. Please write this out on a separate sheet of paper and upload a picture, rather than try to type it all.
Cooks use baking soda to make cakes light and fluffy. You might have used baking soda yourself. Baking soda is NaHCO3. A 0.25
M solution of baking soda in water has a [H] of about 2.48 x 10-9. (You may prefer to think of the hydronium ion
concentration
,
[H3O+], as 2.48 x 10-⁹.)
. Write the formula for the calculation of pH (1pts)
.
Show each step as you calculate the pH of a 0.25 M solution of baking soda (2pts)
•Write the formula for the calculation of the pOH. (1pts)
.
.
Show each step as you calculate the pOH of a 0.25 M solution of baking soda. (2pts)
Write the formula for the calculation of [OH-] (1pts)
Show each step as you calculate the [OH-] of a 0.25 M solution of baking soda. (3pts)
When you are done, submit your assignment for grading.