Moles n solution: Calculate the molarity of a solution of NaOH made by dissolving 2moles of sodium hydroxide in water and making up to 250cm^3?

1 Answer
May 31, 2018

#"8 M"#

Explanation:

#"Molarity" = "Moles of solute"/"Volume of solution (in litres)"#

#color(white)("Molarity") = "2 mol"/(250 cancel("cm"^3) × "1 L"/(1000 cancel("cm"^3))#

#color(white)("Molarity") = 2000/250\ "mol"/"L"#

#color(white)("Molarity") =\ "8 M"#