Georgee5839 Georgee5839

12-08-2020
Chemistry

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How many grams of sodium chloride are required to make 2.00 L of a solution with a concentration of 0.100 M?

Respuesta :

lawalj99 lawalj99

17-08-2020

Answer:

Mass = 11.688g

Explanation:

Volume = 2.00L

Molar concentration = 0.100M

Mass = ?

These quantities are relatted by the following equation;

Conc = Number of moles / volume

Number of moles = Conc * Volume = 2 * 0.100 = 0.2 mol

Number of moles = Mass / Molar mass

Mass = Number of moles * Molar mass

Mass = 0.2mol * 58.44g/mol

Mass = 11.688g

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