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20-01-2020
Chemistry

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A chemist adds 395.0 mL of a 1.4M sodium chloride (NaCI) solution to a reaction flask. Calculate the mass in grams of sodium chloride the chemist has added to the flask. Round your answer to 2 significant digits. 10

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gbustamantegarcia054 gbustamantegarcia054

21-01-2020

Answer:

g NaCl = 32.32 g/mol

Explanation:

∴ Vsln NaCl = 395.0 mL

∴ C NaCl = 1.4 M

⇒ mass NaCl = ?

∴ Mw NaCl = 58.44 g/mol

⇒ g NaCL = (1.4 mol/L)×(0.395 L)×(58.44 g/mol) = 32.32 g NaCl

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