Assuming that seawater is an aqueous solution of NaCl, what is its molarity? ?
The density of seawater is 1.025 g/mL at 20 ∘C, and the NaCl concentration is 3.50 mass %.
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The density of seawater is 1.025 g/mL at 20 ∘C, and the NaCl concentration is 3.50 mass %.
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(1.025 g/mL) x (3.50 / 100) x (1000 mL / L) / (58.4430 g NaCl/mol) =
0.61384 mol/L = 0.614 M NaCl