Kimia Kadar Zat Dalam Campuran

Quiz
•
Chemistry
•
10th Grade
•
Medium

Muhammad Ilham
Used 87+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapa kadar gula dalam larutan yang dibuat dengan mencampurkan 20 gram gula dalam 80 gram air?
40%
60%
20%
35%
15%
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Sebanyak 1 kg sampel air sungai setelah diteliti mengandung 10 mg Pb. Berapa kadar Pb dalam sampel sungai tersebut?
2,5 ppm
10 ppm
8 ppm
14 ppm
1 ppm
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kadar gas karbon monoksida dalam udara adalah 115 ppm. Berapa cm3 karbon monoksida yang terdapat dalam 1 m3 udara?
0,115 mL
1,15 mL
11,5 mL
115 mL
1150 mL
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Berikut ini diugnakan untuk menentukan kadar suatu zat dalam campuran atau satuan kadar kecuali,
Massa molar
Persentase massa
Persentase volume
Persentase massa terhadap volume
Bagian per juta
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kegunaan bagian per juta ( bpj ) atau part per million ( ppm ) adalah ....
Untuk menyatakan konsentrasi dalam perhitungan kimia
Untuk menyatakan perbandingan antara jumlah mol zat dalam larutan dengan jumlah total mol semua komponen dalam larutan
Untuk menyatakan kadar zat terlarut dalam sejumlah massa larutan
Untuk menyatakan kadar zat terlarut dalam sejumlah volume
Untuk menentukan kadar bahan pencampuran yang ada di udara atau dalam air, dan menyatakan 1 bagian zat dalam sejuta bagian campuran.
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Berapa molalitas urea (CO(NH2)2) yang dibuat dengan mencampurkan 6 gram urea dalam 200 gram air? (Ar O = 16 : N = 14 : C = 12 : H = 1)
0,1 molal
0,2 molal
0,5 molal
0,8 molal
1 molal
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pada pembakaran 12 gram suatu senyawa karbon dihasilkan 22 gram gas CO2 (Ar C = 12 : O = 16). Kadar karbon senyawa tersebut adalah …
54%
0,54%
0,545%
54,54%
545,4%
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