There’s actually much more in seawater than just dissolved NaCl. Major ions present include 19,000 ppm Cl-, 10,500 ppm Na+, 2650 ppm SO 2-, 1350 ppm Mg2+, 400 ppm Ca2+, 380 ppm K+, 140 ppm HCO3-, and 65 ppm Br-.
(a) What is the total molality of all ions present in seawater?
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Master Molality Concept 1 with a bite sized video explanation from Jules Bruno