. According to the diagram of the electromagnetic spectrum shown, what would best represent the size of visible light? A. Humans B. Pinpoint c. Protozoa d. Molecules​

Can someone me with 6 to 10 plz this is for masteries test.

A650 ml sodium bromine solution has a bromide ion concentration of 0.245 m. what is the mass (g) of sodium bromide in solution? a) 103.b)0.00155.c)16400.d) 16.4.e) 0.159

How many grams of phosphorus are contained in 5.09 moles of phosphorus?