In today's experiment, you will be recrystallizing a "dirty" sample of benzoin. choose the statement that best explains how you will determine your sample?
a. the yield of my product is high
b. the appearance of the product matches the literature description
c. the melting point range should be less than 3 c
d. the melting point range matches the literature values.

Note the ph and poh values labeled with letters on the ph scale below. based on log rules and the way ph is calculated, what is the difference in [oh– ] concentration between point a and point b. a) 10^1 b) 10^5 c) 10^6 d) 10^7

How do you convert 4 mmol of bromobenzene to ml?

Achemistry student needs to standardize a fresh solution of sodium hydroxide. he carefully weighs out of oxalic acid , a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in of distilled water. the student then titrates the oxalic acid solution with his sodium hydroxide solution. when the titration reaches the equivalence point, the student finds he has used of sodium hydroxide solution.calculate the molarity of the student's sodium hydroxide solution. be sure your answer has the correct number of significant digits.