I would really appreciated if someone can help !! A student calculated that 15 grams of his product were supposed to be produced. After completing the experiment, he actually
collected 11 grams of product. What is his percent yield?
a 73%
b 7.3%
c 14%
d 140%

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

Using the periodic table, complete the table to describe each atom. type in your answers

Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?