KADAR ZAT
Flashcard
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
Nur Hidayah
FREE Resource
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10 questions
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1.
FLASHCARD QUESTION
Front
Dari senyawa berikut: 1) NH3, 2) HNO3, 3) CO(NH2)2, 4) NaNO3, 5) N2H4, mana yang memiliki kadar (%) unsur nitrogen paling besar? (Ar: N=14, H=1, O=16, C=12, Na=23)
Back
5) N2H4
2.
FLASHCARD QUESTION
Front
Di dalam 100 ml sirop obat batuk, terdapat 0,3 mg vitamin C. Jika massa sirop obat tersebut 150 gram, maka kadar vitamin C (bpj) dalam obat batuk tersebut adalah....bpj
Back
2
3.
FLASHCARD QUESTION
Front
Berapa gram gula yang harus dilarutkan ke dalam 120 mL air untuk mendapatkan larutan gula 20%?
Back
30 gram
4.
FLASHCARD QUESTION
Front
Ke dalam 160 gram larutan urea 40% ditambah lagi urea 16 gram. Berapa % (kadar) urea sekarang?
Back
45,45%
5.
FLASHCARD QUESTION
Front
Dalam 50 mL air terdapat 50 gram gula pasir, berapakah kadar gula pasir dalam air tersebut? massa jenis air =1 gram/ml
Back
50 %
6.
FLASHCARD QUESTION
Front
Tentukan kadar alkohol yang mengandung 30 mL alkohol dan 70 mL air ?
Back
30 %
7.
FLASHCARD QUESTION
Front
Berapa volume alkohol ( dalam mL ) yang terdapat dalam 400 mL lautan alkohol yang memiliki kadar 70%
Back
280 mL
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