The ph of a vinegar solution is 4.15. what is the h+ concentration of the solution

What is important to study for nios grade 12 chemistry? i have only one month left.

Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.

How can nonpolar molecule contain polar covalent bonds