Which of the following equations properly expresses the relationship among R, S, and D as observed in the field experiments?

How many moles are equivalent to 55.5g of nano3

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

Why did southern business leaders want to increase the number of slaves