In chemistry a molar solution is a solution with one mole of the compound per litre of distilled, or de-ionised, water. You add the molecular mass -- sometimes called the formula mass or the relative molecular mass (RMM) -- in grams to one litre of the water.
... Portland Basin Museum[?]
Hampshire
Beaulieu Motor Museum[?]
Southsea Museum[?]
Hertfordshire
De Havilland Aircraft Heritage Centre[?], also known as Mosquito ...