化学基礎 濃度
Quiz
•
Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
桂一 内藤
Used 6+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
食塩水は水に食塩を溶かして作る。ここで、食塩水は水溶液と呼ぶが、食塩は何と呼ぶか?
溶物
溶媒
溶質
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
質量パーセント濃度とは何か?
溶液1L中に溶けている溶質の物質量
溶液中に溶けている溶媒の質量
溶液中に溶けている溶質の質量
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
モル濃度とは何か?
溶液1L中に溶けている溶質の物質量
溶液中に溶けている溶媒の質量
溶液中に溶けている溶質の質量
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
質量パーセント濃度が10%の溶液100gに溶けている溶質の質量は?
0.1g
10g
10mol
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
溶液200g中に溶質が50g溶けている時、この溶液の質量パーセント濃度は?
25%
40%
20mol
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
溶液2L中に溶質が5mol溶けているとき、その溶液のモル濃度はいくつか?
25mol/L
2.5mol
2.5mol/L
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
食塩水が1Lある。この溶液のモル濃度が2mol/Lのとき、溶けている水酸化ナトリウム(NaOH)は何gになるか?
40g
80g
120g
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