下列实验方案的设计中可行的是a用naoh溶液除去co2中的hcl气体b为检验cao中是否含有caoh2可将其加水后滴加酚酞溶液c Template




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tomski下列实验方案的设计中可行的是a用naoh溶液除去co2中的hcl气体b为检验cao中是否含有caoh2可将其加水后滴加酚酞溶液c coloring