問題詳情
(2) 若取某制酸劑 1 g，將其磨碎後，先加入 0.1 M的 HCl(aq) 85 mL，反應完成後，再以上述的 NaOH(aq) 反滴定，達滴定終點時，用去 NaOH(aq) 45 mL，若該制酸劑僅含碳酸氫鈉，則該制酸劑中所含碳酸氫鈉的重量百分比為多少？（原子量：Na＝23，C＝12，H＝1，O＝16）
參考答案
答案：D
難度：適中0.670886
統計：A(17),B(3),C(5),D(53),E(0)
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