formulas

1 ppm =

1 mg/kg

1 mg/L

1 ug/g

1 ug/mL

2 lb/acre

10,000 ppm =

1 %

lb/acre =

ppm x 2

% =

ppm / 10,000

acre → feet

1 acre = 43,560 ft²

Define Molarity

number of moles of a substance per liter of a solution

Define Normality

number of equivalents of a substance per liter of a solution

Define Equivalent Weight

Mass of a substance that is found by dividing the molecular weight by the number of charges involved per molecule or formula, or the valence.

Define pH

the (-)log of Hydrogen activity in a solution

Define PPM

parts per million parts

Define Reduction

The process by which an atom gains an electron

Define Buffer

A solution that can maintain a constant H+ ion concentration despite acid or base additions.

What does [H⁺] =

10^-pH

Acid-Base Normality Formula

(N_A) (V_A) = (N_B) (V_B)

Acre Furrow Soil Formula

2,000,000 lb soil/acre