<prompt> The number of gram equivalents in 1 litre of a solution is known as:MolarityMolalityNormalityNone of the above  <response>: Electrical equivalence is not necessarily the same as chemical equivalence. A gram equivalent is the weight of a substance that is chemically equivalent to 8.000 g of oxygen. The normality N of a solution is the number of gram equivalents in 1 liter. A 1 N solution of hydrochloric acid contains both H 1 g and Cl- 35.5 g equivalents, 1 g 35.5 gL 36.5 gL. Ref: Ganongs Review of Medical Physiology 23rd edition, Chapter 1. 