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 ℃?

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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