题目内容

[判断]Monopolistically competitive firms, like monopoly firms, maximize their profits by charging a price that exceeds marginal cost.

A. 对
B. 错

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[判断]In a monopolistically competitive market, the number of firms adjusts until economic profits are driven to zero.

A. 对
B. 错

[判断]The government may not be able to improve the inefficiencies of a monopolistically competitive market.

A. 对
B. 错

MgCO3的溶度积KS = 6.82×10-6，这意味着所有含有固体MgCO3的溶液中，都有c(Mg2+) = c(CO32-)，而且[c(Mg2+)/cy][c(CO32-)/cy] = 6.82×10-6

A. 对
B. 错

为什么某酸越强则其共轭碱越弱或某酸越弱其共轭碱越强？共扼酸碱对的Ka与Kb之间有何定量关系