What percentage of urea is contained in the aqueous urea solution known as diesel exhaust fluid (DEF)?

Name: What percentage of urea is contained in the aqueous urea solution known as diesel exhaust fluid (DEF)?
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Quizplus · Accepted Answer

Diesel Exhaust Fluid (DEF) is an aqueous urea solution made with 32.5% urea and 67.5% deionized water, specifically designed for use in selective catalytic reduction (SCR) systems to reduce nitrogen oxide emissions.

What Percentage of Urea Is Contained in the Aqueous Urea