Ulangan Harian Stoikiometri
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
Krisyanti Sianturi
Used 44+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 6 pts
Hukum kekekalan massa dikemukakan oleh ...
Avogadro
Proust
Lavoisier
Dalton
2.
MULTIPLE CHOICE QUESTION
1 min • 6 pts
Mol adalah jumlah zat dari suatu unsur yang mengandung bentuk elemen seperti atom, molekul, ion, ataupun elektron. Berikut ini hubungan mol dengan beberapa kategori diantaranya yaitu ...
Hubungan mol dengan alat
Hubungan mol dengan waktu
hubungan mol dengan massa
Hubungan mol dengan tekanan
3.
MULTIPLE CHOICE QUESTION
5 mins • 6 pts
Asam oksalat (H2C2O4) atau oxalic acid adalah senyawa organik yang ditemukan di dalam berbagai tumbuhan. Salah satu makanan yang mengandung jenis asam oksalat adalah kakao/cokelat. Setelah dikonsumsi, asam oksalat akan membentuk ikatan dengan mineral dan membentuk senyawa lain.
Jika terikat dengan zat besi, Oksalat akan membentuk Besi (III) Oksalat atau Fe2(C2O4)3. Jika Ar Fe=56, C=12 dan O=16; massa molekul relatif (Mr) dari senyawa Fe2(C2O4)3 adalah .... gram/mol
376
180
250
378
4.
MULTIPLE CHOICE QUESTION
5 mins • 6 pts
Dalam larutan 0,3M H2SO4 jika dimasukkan kedalam 500ml larutan NaOH 1M. Tentukan volume larutan NaOH jika larutan tersebut menjadi 0,4M !
300
323
350
295
5.
MULTIPLE CHOICE QUESTION
2 mins • 6 pts
Untuk menghitung mol , rumus mana yang bisa digunakan....
6.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
A. 1, 2, dan 3
B. 1 dan 3
C. 2 dan 4
D. 4
E. Semua benar
7.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
A. 5 – 2 – 1 – 4 – 3
B. 5 – 1 – 4 – 2 – 3
C. 5 – 4 – 1 – 2 – 3
D. 5 – 4 – 2 – 1 – 3
E. 5 – 2 – 1 – 4 – 3
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