有一硫酸与硝酸的混合溶液,取出10mL加入足量Bacl2溶液,过滤洗涤烘干后,得到9.32g沉淀;

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  • (1_)n(H2SO4)=9.32÷233=0.04mol

    c(H2SO4)=0.04÷0.01=4mo;/L

    (2)n(OH)=4*0.035=0.14mol

    n(H)=n(OH)=0.14mol

    n(HNO3)=(0.14-0.04*2)÷2=0.03mol

    c(HNO3)=0.03÷0.01=3mol/L