物質量と質量２
Authored by 恒 川田
Science
9th - 12th Grade
Used 1+ times
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6 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cu 2.0molの質量は？
【Cu=64】
64g
32g
128g
16g
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
O2 40gは何molか？
【O=16】
0.80mol
0.40mol
2.50mol
1.25mol
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Na+ 0.40molは何gか？
【Na=23】
9.2g
9.6g
8.8g
10g
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
CO2 33gは何molか？
【C=12、O=16】
1.3mol
1.2mol
0.75mol
0.83mol
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
NaOH 3.0×1024molは何gか？
【H=1、O=16、Na=23】
20g
200g
120g
12g
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
CO2 0.25mol中のO原子は何gか？
【C=12、O=16】
8.0g
16g
32g
4.0g
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