You need to prepare 100. 0 ml of a ph 4. 00 buffer solution using 0. 100 m benzoic acid (pKa=4. 20) and 0. 120 m sodium benzoate. How many milliliters of each solution should be mixed to prepare this buffer?

The different forms of a gene for a given trait are called .

Which group of college students is typically offered scholarship? a. freshmen, sophomores, and juniors. b. biology, english, and engineering majors. c. hard workers, part-time students, and out of state students. d. first time freshmen, current students, and transfer students.

Need will give 100 ! in no less than one hundred fifty words, explain why it is important for engineers to sketch designs and use them to clarify their designs to other people, giving at least three reasons.