8. If you dropped 25 g of salt (NaCI) into a 120000 L swimming pool, what would be the concentration of NaCI in the water in ppm and ppb?
詳解 (共 2 筆)
加油(邀請:154179)
詳解 #5615465
1 ppm = 1 mg/L25×103...
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黃致瑋
詳解 #1808103
太難