应该用浓盐酸和二氧化锰加热:
反应的方程式为:
MnO2+4HCl==加热==MnCl2+2H2O+Cl2(气体)
离子方程式为:
MnO2 + 4H+ 2Cl- ==加热==Mn2+ + Cl2(气体) + 2H2O
说明一下,在浓酸中,浓盐酸和浓硝酸是可拆的,浓硫酸不可拆.
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