32.0 g的甲烷分子的摩爾數是多少?
(相對原子質量:H = 1.0,C = 12.0)
22-23 S5 下學期 考試跟進 pre-test
Quiz
•
Chemistry
•
9th - 12th Grade
•
Medium
Hoi Lam
Used 1+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
32.0 g的甲烷分子的摩爾數是多少?
(相對原子質量:H = 1.0,C = 12.0)
0.5 mol
1 mol
1.5 mol
2 mol
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
在Na2SO4 中,Na 的質量百分比是多少?
(相對原子質量:O = 16.0,Na = 23.0,S = 32.1)
16.2%
22.6%
32.4%
46.0%
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
0.769 mol
2.5 mol
32.5 mol
65 mol
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
0.3 mol
0.511 mol
1.0 mol
1.2 mol
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
在200.0 cm3 的2.00 mol dm–3 Na2CO3 溶液中,Na2CO3 的摩爾數是多少?
0.40 mol
400 mol
10 mol
0.01 mol
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
把鋅加入檸檬汁時,有甚麼氣體釋出?
氫
氧
二氧化碳
沒有氣體釋出
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
把碳酸氫鈉加進稀硫酸時,有甚麼氣體釋出?
氫
氧
二氧化碳
沒有氣體釋出
20 questions
25分鐘測驗:課題九 反應速率
Quiz
•
9th - 12th Grade
20 questions
25分鐘測驗:課題八 化學反應與能量
Quiz
•
9th - 12th Grade
20 questions
25分鐘測驗:課題十 化學平衡
Quiz
•
9th - 12th Grade
23 questions
2-3 空氣的組成與性質
Quiz
•
8th - 9th Grade
20 questions
25分鐘測驗:課題十五 分析化學
Quiz
•
9th - 12th Grade
21 questions
S3化學第三段測試複習
Quiz
•
9th Grade
20 questions
第十四章 :VIA族元素:氧和硫
Quiz
•
10th Grade
23 questions
2023初三第一段化學大測複習
Quiz
•
9th Grade
15 questions
Multiplication Facts
Quiz
•
4th Grade
25 questions
SS Combined Advisory Quiz
Quiz
•
6th - 8th Grade
40 questions
Week 4 Student In Class Practice Set
Quiz
•
9th - 12th Grade
40 questions
SOL: ILE DNA Tech, Gen, Evol 2025
Quiz
•
9th - 12th Grade
20 questions
NC Universities (R2H)
Quiz
•
9th - 12th Grade
15 questions
June Review Quiz
Quiz
•
Professional Development
20 questions
Congruent and Similar Triangles
Quiz
•
8th Grade
25 questions
Triangle Inequalities
Quiz
•
10th - 12th Grade
40 questions
Week 4 Student In Class Practice Set
Quiz
•
9th - 12th Grade
40 questions
SOL: ILE DNA Tech, Gen, Evol 2025
Quiz
•
9th - 12th Grade
20 questions
NC Universities (R2H)
Quiz
•
9th - 12th Grade
25 questions
Triangle Inequalities
Quiz
•
10th - 12th Grade
10 questions
Right Triangles: Pythagorean Theorem and Trig
Quiz
•
11th Grade
46 questions
Biology Semester 1 Review
Quiz
•
10th Grade
24 questions
LSO - Virus, Bacteria, Classification - sol review 2025
Quiz
•
9th Grade
65 questions
MegaQuiz v2 2025
Quiz
•
9th - 12th Grade