下列各种溶液中，粒子物质的量浓度关系正确的是（）_刷题宝

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下列各种溶液中，粒子物质的量浓度关系正确的是（）

A：0.1mol·L^－¹的NH₄Cl溶液与0.1mol·L^－¹氨水等体积混合：
c(Cl^－)> c(NH₄⁺)>c(H⁺)>c(OH^－)

B：0.2mol·L^－¹Na₂CO₃溶液：c(OH^－)=c(HCO₃^－)+c(H⁺)+2c(H₂CO₃)

C：0.1mol·L^－¹(NH₄)₂SO₄溶液：c(SO₄²^－)>c(NH₄⁺)>c(H⁺)>c(OH^－)

D：0.2mol·L^－¹NaHCO₃溶液：c(H⁺)+c(Na⁺)=c(OH^－)+c(HCO₃^－)+c(CO₃²^－)

上一题下一题 0.0难度选择题更新时间:2019-09-21 10:48:32

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B

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