
考考你:第15章 溶液的濃度
Authored by Chemistry Aristo
Chemistry
9th - 12th Grade
8 Questions

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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
0.300 mol dm⁻³氯化鎂溶液的濃度是多少(以g dm⁻³為單位)?
(相對原子質量:Mg = 24.3、Cl = 35.5)
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
把40.0 cm³的1.0 M NaCl(aq)與60.0 cm³的0.50 M CaCl₂(aq)混合,所得溶液所含Cl⁻(aq)離子的濃度是多少?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若200 cm³的硝酸鋁溶液含有0.03 mol的硝酸根(NO₃⁻)離子,這溶液的摩爾濃度是多少?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
把25.0 g水合硫酸銅(II) (CuSO₄ • 5H₂O)溶於水中,以製備0.50 M硫酸銅(II) 溶液,所形成溶液的體積是多少?
(相對原子質量:H = 1.0、O = 16.0、S = 32.1、Cu = 63.5)
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪些溶液含有相同摩爾數的鈉(Na⁺)離子?
(1) 100.0 cm³的3.0 M氯化鈉溶液
(2) 100.0 cm³的1.5 M碳酸鈉溶液
(3) 50.0 cm³的2.0 M磷酸鈉溶液
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
某瓶濃氫氯酸的密度是1.17 g cm⁻³,它所含氫氯酸的質量百分比是37.0%。這酸的摩爾濃度是多少?
(相對原子質量:H = 1.0、Cl = 35.5)
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
把50.0 cm³的2.0 M硝酸稀釋至400.0 cm³。稀釋後溶液的摩爾濃度是多少?
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