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设1L水溶解560LNH3,则:
水的质量:1g/cm3×1000cm3 = 1000g
NH3的物质的质量:560L÷22.4L/mol =25mol
NH3的质量:17g/mol ×25mol =425g
氨水的质量分数:w% = 425 ÷ (1000+425) = 29.8%
氨水的物质的量浓度:c(NH3) = ρ×V×w% ÷ 17 = 0.89 ×1000 ×29.8% ÷ 17 = 15.6 mol/cm3
水的质量:1g/cm3×1000cm3 = 1000g
NH3的物质的质量:560L÷22.4L/mol =25mol
NH3的质量:17g/mol ×25mol =425g
氨水的质量分数:w% = 425 ÷ (1000+425) = 29.8%
氨水的物质的量浓度:c(NH3) = ρ×V×w% ÷ 17 = 0.89 ×1000 ×29.8% ÷ 17 = 15.6 mol/cm3
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