What is the mass percent of calcium chloride if 57 g of CaCl2 is dissolved in 334 g of water?

Question

What is the mass percent of calcium chloride if 57 g of CaCl2 is
dissolved in 334 g of water?

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Thu Hương 3 years 2021-08-06T22:07:36+00:00 1 Answers 8 views 0

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    2021-08-06T22:08:45+00:00

    Answer:

    Solubility in water Anhydrous: 74.5 g/100 mL (20 °C) Hexahydrate: 49.4 g/100 mL (−25 °C) 59.5 g/100 mL (0 °C) 65 g/100 mL (10 °C) 81.1 g/100 mL (25 °C) 102.2 g/100 mL (30.2 °C) α-Tetrahydrate: 90.8 g/100 mL (20 °C) 114.4 g/100 mL (40 °C) Dihydrate: 134.5 g/100 mL (60 °C) 152.4 g/100 mL (100 °C)

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )