20.由Na2O、Na2O2、Na2CO3• 10H2O组成的混合物0.05 mol,溶于水后加入50 mL 2 mol/L的盐酸恰好完全反应,则原混合物中各成分的物质的量之比为A.1:1:1 B.1:2:3 C.1:2:1 D.任意比D 为什么?
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![20.由Na2O、Na2O2、Na2CO3• 10H2O组成的混合物0.05 mol,溶于水后加入50 mL 2 mol/L的盐酸恰好完全反应,则原混合物中各成分的物质的量之比为A.1:1:1 B.1:2:3 C.1:2:1 D.任意比D 为什么?](/uploads/image/z/1252710-54-0.jpg?t=20%EF%BC%8E%E7%94%B1Na2O%E3%80%81Na2O2%E3%80%81Na2CO3%26%238226%3B+10H2O%E7%BB%84%E6%88%90%E7%9A%84%E6%B7%B7%E5%90%88%E7%89%A90.05+mol%2C%E6%BA%B6%E4%BA%8E%E6%B0%B4%E5%90%8E%E5%8A%A0%E5%85%A550+mL+2+mol%2FL%E7%9A%84%E7%9B%90%E9%85%B8%E6%81%B0%E5%A5%BD%E5%AE%8C%E5%85%A8%E5%8F%8D%E5%BA%94%2C%E5%88%99%E5%8E%9F%E6%B7%B7%E5%90%88%E7%89%A9%E4%B8%AD%E5%90%84%E6%88%90%E5%88%86%E7%9A%84%E7%89%A9%E8%B4%A8%E7%9A%84%E9%87%8F%E4%B9%8B%E6%AF%94%E4%B8%BAA%EF%BC%8E1%EF%BC%9A1%EF%BC%9A1+B%EF%BC%8E1%EF%BC%9A2%EF%BC%9A3+C%EF%BC%8E1%EF%BC%9A2%EF%BC%9A1+D%EF%BC%8E%E4%BB%BB%E6%84%8F%E6%AF%94D+%E4%B8%BA%E4%BB%80%E4%B9%88%3F)
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