MOLARITAS

Quiz
•
Chemistry
•
10th Grade
•
Medium
Ruddy Budiyanto
Used 21+ times
FREE Resource
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32 questions
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1.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Larutan CaCO3 (Ar Ca = 40, C = 12, O =16) mempunyai konsentrasi 0,5 M. Artinya, dalam ….
1 L larutannya terdapat 0,5 mol CaCO3
1 L pelarutnya terdapat 5 g CaCO3
2 L larutannya terdapat 2 mol CaCO3
500 mL pelarutnya terdapat 50 g CaCO3
500 mL larutannya terdapat 0,1 mol CaCO3
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Larutan asam nitrat (HNO3) dengan Mr = 63 mempunyai konsentrasi 1 molar, artinya …
. dalam 1 liter larutannya mengandung 63 gram HNO3
. dalam 1 liter pelarut terdapat 63 gram HNO3
dalam 1 liter air mengandung 63 gram HNO3
sebanyak 63 gram HNO3 dilarutkan dalam 100 mL air
. sebanyak 63 gram HNO3 dilarutkan sampai 100 mL
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
. Jika ke dalam 10 mL larutan asam sulfat (H2SO4) 2 M ditambahkan air sebanyak 90 mL, maka konsentrasi larutan asam sulfat sekarang adalah … .
. 0,002 M
0,02 M
0,2 M
2 M
20 M
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Larutan urea [CO(NH2)2] dibuat dengan jalan melarutkan 3 gram urea ke dalam air sampai volume 250 mL. Konsentrasi larutan urea yang dibuat adalah … .
(Mr urea = 60)
0,1 M
0,2 M
0,3 M
. 0,4 M
. 0,5 M
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bila 4 gram (Mr. 40) dilarutkan ke dalam air hingga volumenya menjadi 500 mL, maka kemolaran NaOH adalah ....
0,1 M
0,2 M
0,4 M
1,0 M
2,0 M
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bila ke dalam 20 mL larutan H2SO4 2 M ditambahkan air sehingga memperoleh 50 mL larutan, maka kemolaran larutan ....
1,5 M
1,2 M
1,0 M
0,8 M
0,6 M
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Volum asam sulfat 98% massa jenis 1,8 kg/L-1 yang diperlukan untuk membuat 90 mL larutan 4 M H2SO4 adalah .... (Mr. H2SO4 = 98)
9 mL
10 mL
18 mL
20 mL
49 mL
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