MeasuringAcidity In chemistry, the pH ofa solution is defined in terms oflogarithms as pH = -log 10 [H+] where [H+] is the hydrogen ion concentration in the solution. An acid solution has a pH below 7, and a basic solution has a pH higher than 7.If a glass of orange juice has a pH of 4, what is the hydrogen ion concentration, [H+], in the orange juice?

Calculus 1 Chapter 2, Section 2 – Intro to Limits (cont.) and Their Properties Prior to this, were learning how to solve limits as x approaches a number analytically with use of algebra, but now we are going to look at how to solve a limit using a table method. Don’t worryit is not anything hard, it concludesofmaking a table andwriting down close numbers to the leftandrightofthe limitandpluggingthosevaluesto findvaluesthatdrawclosetothelimit.Thisapretty simple method to follow. Let’s look at an example which we can solve for the limit using the table method: Ex.1: − 7 + 12 () = lim = →3 − 3 First, we mus