
STOIKIOMETRI 2
Authored by dwi maryam
Chemistry
1st Grade

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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Seorang petaniakanmembuatlarutan urea untukpupuk. Massa air yang diperlukanmelarutkan15 gram urea (Mr = 60) agar diperolehfraksi mol larutan urea 0,1 adalah…
20,5 gram
30,0 gram
40,0 gram
40,5 gram
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Seorang mahasiswa yang sedangpraktikumakanmembuatlarutan NaOH 1 molal.
Massa air yang harusdilarutkanuntuk20 gram NaOH (Mr = 40) adalah…
500 gram
100 gram
300 gram
400 gram
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
banyaknyajumlah mol zatterlarutdalam 1 Kg atau1000 gram air adalah…
Normalitas
Molaritas
Molalitas
Fraksi Mol
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
banyaknyajumlah mol zatterlarut yang dilarutkandalam 1 liter larutanadalah..
Normalitas
Molaritas
Molalitas
Fraksi Mol
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jumlah mg zatterlarutdalam 1 Liter larutandisebut…
ppm
Fraksi Mol
Normalitas
Molaritas
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jika diketahuimassa atom relatif H = 1, S = 32, O = 16 dan massamolekulrelatif (NH4)2SO4 = 132, makamassa atom relatif N adalah.....
7
12
14
20
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jika diketahuiArCa = 40, C = 12, O = 16 dan bilangan Avogadro = 6,02×1023, maka 50 gram CaCO3mempunyaijumlahmolekul.....
3,01 × 1021
3,01 × 1022
6,02 × 1022
3,10 × 1023
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