Pereaksi Pembatas dan Satuan Konsentrasi
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
Raidatul Fannyda
Used 35+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Senyawa H2SO4 yang mempunyai massa 49 gram direaksikan dengan 20 gram NaOH. Berapakah Na2SO4 yang dihasilkan? Diketahui Ar H = 1; Na = 23; S = 32; O = 16.
69 gram
70 gram
35,5 gram
34,5 gram
71 gram
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
60 g gas etana dibakar secara sempurna dengan 16 g oksigen. Berapa jumlah molekul H2O yang terbentuk…..
1,20 x 1022
2,40 x 1022
2,40 x 1023
3 x 1023
1,20 x 1024
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Berapa liter gas oksigen yang dibutuhkan untuk membakar 6 liter gas propana secara sempurna…?
150
90
75
30
15
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kemolalan larutan NaCl 10% massa dalam air adalah (Mr NaCl = 58,5 )….
1,5 m
1,7 m
1,9 m
2,1 m
2,3 m
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Konsentrasi larutan asam formiat HCOOH 4,6% massa dengan massa jenis 1,01 g/mL adalah (Mr CHOOH = 46)…
1,0100 M
0,1001 M
0,010 M
1,0000 M
0,0100 M
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Volume HCl yang harus dilarutkan dalam 500 mL air untuk memperoleh larutan yang memiliki persentase 30% adalah…
250,00 mL
245,25 mL
220,50 mL
215,21 mL
214,29 mL
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dalam suatu larutan 16% massa naftalen dalam benzene, jika diketahui Mr naftalen = 28 dan Mr benzene = 78 maka fraksi mol naftalen adalah…
0,204
0,104
0,114
1,040
1,140
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