4.如何以 50% iodine stock solution 製備 5% 500 mL 的 iodine solution?
(A)取 100 mL iodine stock solution 添加蒸餾水 400 mL
(B)取 50 mL iodine stock solution 添加蒸餾水至 500 mL
(C)取 62.5 mL iodine stock solution 添加蒸餾水至 500 mL
(D)取 50 mL iodine stock solution 添加蒸餾水 400 mL
答案:登入後查看
統計: A(0), B(3), C(0), D(1), E(0) #3818399
統計: A(0), B(3), C(0), D(1), E(0) #3818399
詳解 (共 4 筆)
#7291208

2
0