Suatu zat di dalam suatu larutan menyatakan perbandingan banyaknya mol dari zat tersebut terhadap jumlah mol seluruh komponen dalam larutan disebut……

LATIHAN 3

Quiz
•
Chemistry
•
10th Grade
•
Hard
Titir Tobing
Used 3+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Molaritas
Molalitas
Fraksi Mol
Stoikiometri
Persen Volume
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sebuah larutan mengandung 80 gram sukrosa (gula tebu) dan 100 mL . Jika diketahui massa jenis adalah 1,00 gram/mL, maka hitunglah persen massa gula dalam larutan tersebut…..
22,2 %
44,4%
55%
60%
74%
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Berapa volume alkohol (dalam mL) yang terlarut dalam 500 mL larutan alkohol yang memiliki kadar 50% yaitu……
70 mL
125 mL
250 mL
260 mL
275 mL
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Berapa gram NaOH yang terdapat dalam 50 mL larutan NaOH 20% jika massa jenis larutan dianggap 1 g/mL yaitu……
2 gram
5 gram
8 gram
10 gram
12 gram
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Di dalam udara 10 Kg air terdapat 30 Mg Merkuri (Hg). Nyatakan kadar tersebut dalam bagian per juta...
1,5 bpj
2 bpj
2,5 bpj
2,8 bpj
3 bpj
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kadar gas metana di udara maksimum hanya diperbolehkan sebesar 0,0004% volume. Berapa kadar gas metana tersebut jika dinyatakan dalam satuan bpj yaitu……
4 bpj
3 bpj
2 bpj
1 bpj
0,5 bpj
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hitunglah molalitas larutan yang terjadi bila 72 gram Kristal MgSO4 dilarutkan dalam 400 gram air (Mr MgSO4 = 120) yaitu……
1,2 molal
1,5 molal
1,6 molal
1,8 molal
1,9 molal
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