溶液比例问题 ppm与g需要比例为300PPM15%的多效唑溶液,现有16g多效唑,需要加水多少克?另:300PPM15%=45PPM 如果是,那就是浓度为45-50PPM得溶液,现溶质为16g,需加水多少?提示:PPM:parts permillion 既百
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![溶液比例问题 ppm与g需要比例为300PPM15%的多效唑溶液,现有16g多效唑,需要加水多少克?另:300PPM15%=45PPM 如果是,那就是浓度为45-50PPM得溶液,现溶质为16g,需加水多少?提示:PPM:parts permillion 既百](/uploads/image/z/8279010-18-0.jpg?t=%E6%BA%B6%E6%B6%B2%E6%AF%94%E4%BE%8B%E9%97%AE%E9%A2%98+ppm%E4%B8%8Eg%E9%9C%80%E8%A6%81%E6%AF%94%E4%BE%8B%E4%B8%BA300PPM15%25%E7%9A%84%E5%A4%9A%E6%95%88%E5%94%91%E6%BA%B6%E6%B6%B2%2C%E7%8E%B0%E6%9C%8916g%E5%A4%9A%E6%95%88%E5%94%91%2C%E9%9C%80%E8%A6%81%E5%8A%A0%E6%B0%B4%E5%A4%9A%E5%B0%91%E5%85%8B%3F%E5%8F%A6%EF%BC%9A300PPM15%25%3D45PPM+%E5%A6%82%E6%9E%9C%E6%98%AF%2C%E9%82%A3%E5%B0%B1%E6%98%AF%E6%B5%93%E5%BA%A6%E4%B8%BA45-50PPM%E5%BE%97%E6%BA%B6%E6%B6%B2%2C%E7%8E%B0%E6%BA%B6%E8%B4%A8%E4%B8%BA16g%2C%E9%9C%80%E5%8A%A0%E6%B0%B4%E5%A4%9A%E5%B0%91%3F%E6%8F%90%E7%A4%BA%EF%BC%9APPM%EF%BC%9Aparts+permillion+%E6%97%A2%E7%99%BE)
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