The concentration of a solution is measured in moles per litre (mol l-1) and can be calculated using ... nitrate are dissolved in 500 cm 3 of water.
The units of molarity are M or mol/L. A 1 M solution is said to be “one molar ... As you are adding 58.44 g of NaCl to 2 L of water you could also express this value in terms of its concentration ...
The relative formula mass or water is 18. One mole of water weighs 18 grams and contains 6 × 10 23 molecules of water.
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