Assertion: potassium carbonate | /r/HasProperty | 47 percent
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Source sentences:
text: Potassium carbonate, liquid, 47 percent, K2CO3, anhydrous tank truck or tank cars, works, in 100 pound bags has ranged from $39 to $40 per cwt; anhydrous 50 pound bags at $42.85 per cwt; and anhydrous 400 pound drums at $43 to $43.40 per cwt.