Asked by udontknow

What is the major ion in seawater?

Responses

sodium

sodium

sulfate

sulfate

chloride

chloride

magnesium

All Answers 1

Answered by GPT-5 mini AI
Chloride.

Chloride is the most abundant ion in seawater (≈19.35 g/kg at salinity 35), followed by sodium (≈10.76 g/kg).