At T1 ℃, 5.6g iron powder was put into 100g copper sulfate solution to completely react At T1 ℃, put 5.6g iron powder into 100g copper sulfate solution and filter after just complete reaction, so as to obtain: Mass of FeSO4 in filtrate The obtained filtrate was evaporated at a constant temperature to remove 66g of water and just turned into Saturated solution at T1 ℃, find Solubility of the solute at T1 ℃?
Generated in filtrate Feso4x g, y g CuSO4 participated in the reaction+ Fe= FeSO4+ Cu one hundred and sixty fifty-six 152 &n...
亜鉛粉末、アルミニウム粉末、鉄粉末、マグネシウム粉末の混合物3.8 gと一定の質量溶質の点数が25%の希硫酸がぴったり反応し、反応後の混合物を蒸発させて水分を固体(結晶水を含まない)11 gにすると、反応中に水素を生成する質量は()である。 A.0.15 g B.0.2 g C.0.30 g D.0.45 g
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