用KCl和KH2PO4固体配制钾元素、磷元素、水的质量比为78:31:10000的植物营养液,所消耗的KCl和KH2PO4的质量比为多少?标准答案是149:272(74.5:136)这么说质量比应该是1:1 两种物质里都有钾啊
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![用KCl和KH2PO4固体配制钾元素、磷元素、水的质量比为78:31:10000的植物营养液,所消耗的KCl和KH2PO4的质量比为多少?标准答案是149:272(74.5:136)这么说质量比应该是1:1 两种物质里都有钾啊](/uploads/image/z/839447-71-7.jpg?t=%E7%94%A8KCl%E5%92%8CKH2PO4%E5%9B%BA%E4%BD%93%E9%85%8D%E5%88%B6%E9%92%BE%E5%85%83%E7%B4%A0%E3%80%81%E7%A3%B7%E5%85%83%E7%B4%A0%E3%80%81%E6%B0%B4%E7%9A%84%E8%B4%A8%E9%87%8F%E6%AF%94%E4%B8%BA78%EF%BC%9A31%EF%BC%9A10000%E7%9A%84%E6%A4%8D%E7%89%A9%E8%90%A5%E5%85%BB%E6%B6%B2%2C%E6%89%80%E6%B6%88%E8%80%97%E7%9A%84KCl%E5%92%8CKH2PO4%E7%9A%84%E8%B4%A8%E9%87%8F%E6%AF%94%E4%B8%BA%E5%A4%9A%E5%B0%91%3F%E6%A0%87%E5%87%86%E7%AD%94%E6%A1%88%E6%98%AF149%EF%BC%9A272%EF%BC%8874.5%EF%BC%9A136%EF%BC%89%E8%BF%99%E4%B9%88%E8%AF%B4%E8%B4%A8%E9%87%8F%E6%AF%94%E5%BA%94%E8%AF%A5%E6%98%AF1%EF%BC%9A1+%E4%B8%A4%E7%A7%8D%E7%89%A9%E8%B4%A8%E9%87%8C%E9%83%BD%E6%9C%89%E9%92%BE%E5%95%8A)
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