
12.1 Quiz
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
Yin Cheung CHING
FREE Resource
Enhance your content in a minute
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪項有關0.4 mol的氧化鋁的陳述正確?
它含有0.4 mol的分子。
它含有0.8 mol的離子。
它含有2.0 mol的離子。
它含有1.2 mol的原子。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪項陳述正確?
1 mol的氧氣與1 mol的氖氣所含的原子數目相同。
1 mol的鎂與1 mol的碘所含的原子數目相同。
1 mol的氯氣與1 mol的溴氣所含的分子數目相同。
1 mol的鈉原子的質量與1 mol的鉀原子的質量相同。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪種物質含有最少離子?
0.7 mol的Na2O
0.9 mol的CaO
0.5 mol的Al2O3
0.8 mol的MgCl2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
某硫酸銅(II) 和溴化銅(II) 的混合物含有0.3 mol的硫酸根離子和0.6 mol的溴離子,混合物中含有多少摩爾的銅(II) 離子?
0.6 mol
0.8 mol
0.9 mol
1.2 mol
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
某水合硫酸銅(II) (CuSO4 • 5H2O) 樣本含有5.28 × 1025個氧原子,這樣本含有多少摩爾的水合硫酸銅(II)?
(亞佛加德羅常數 = 6.02 × 1023 mol-1)
9.75 mol
39.0 mol
48.7 mol
87.8 mol
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