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29 November, 21:11

A student weighs out 635.94 g Na2CO3 and it dissolves in it 2.0 L water whats its molarity

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  1. 29 November, 21:29
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    There are a number of ways to express concentration of a solution. This includes molarity. Molarity is expressed as the number of moles of solute per volume of the solution. We calculate as follows:

    Molarity = 635.94 g Na2CO3 (1 mol / 105.99 g) / 2.0 L = 3 mol / L = 3 M
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