
Hukum kekekalan massa
Authored by anselmus billy
Chemistry
1st Grade
Used 16+ times

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2 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam wadah tertutup 4 gram logam Natrium dibakar dengan oksigen menghasilkan natrium oksida, jika massa natrium oksida yang dihasilkan adalah 5,6 gram, berapakah massa oksigen yang dibutuhkan ?
1,6 gram
2 gram
1,4 gram
1,3 gram
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada pembakaran 1,4 gram magnesium di udara dihasilkan 5 gram oksida magnesium, berapa gram oksigen yang terpakai dalam reaksi itu ?
Solusi:
4 gram
3,6 gram
3 gram
3,9 gram
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