MgSO4 · 7H2O MgSO4 · H2O MgSO4 MAIN CONTENT ≥99.0% ≥99.0% ≥98.0% MAGNESIUM SULPHATE(MgSO4) ≥48.59% ≥86.00% ≥98.00% MAGNESIUM OXIDE(MgO) ≥16.24% ≥28.69% ≥32.66% MAGNESIUM(Mg) ≥9.80% ≥17.21% ≥19.6% FERRON(Fe)
The most common form of this compound is the heptahydrate form, expressed as MgSO4•7H2O. It is highly soluble in water, and its solutions are neutral, with a pH of approximately 7. Molecular Weight: The molecular weight of anhydrous magnesium sulfate is approximately 120.4 g...
pH=2的MgSO4溶液中含有少量Fe2(SO4)3杂质。已知浓度为0.01mol×L-1Mg2+和Fe3+完全沉淀的pH分别为10.8和3.7。为了除去Fe3+,只要将溶液的pH提高到4即可。欲达此目的,不能选用的试剂是A.MgOB.MgSC.MgD.Mg(OH)2的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是