KADAR ZAT

KADAR ZAT

Assessment

Flashcard

Chemistry

10th Grade

Hard

Created by

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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