Konsentrasi Larutan (SMK)
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Medium
Alifia Firdani
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Jumlah massa H2C2O4.2H2O murni yang diperlukan untuk membuat 100 ml larutan H2C2O4.2H2O 0,2000 N (Ar H=1, Ar C=12, Ar O=16, ek=2) adalah...
12,6 gram
126 gram
1,26 gram
0,126 gram
0,0126 gram
2.
MATCH QUESTION
3 mins • 10 pts
Jodohkan satuan dalam konsentrasi larutan berikut ini !
gram / mol
Molaritas
mol / liter
Massa molar
N
Massa
gram
Mol (n)
mol
Normalitas
3.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Berikut ini data yang diperoleh dalam titrasi 10 ml larutan NaCl 0,1000 N dengan larutan AgNO3 ;
Volume AgNO3 awal ==> Titrasi I = 0 ml, Titrasi II = 10,2 ml, Titrasi III = 19,9 ml
Volume AgNO3 akhir ==> Titrasi I = 10,2 ml, Titrasi II = 19,9 ml, Titrasi III = 30 ml
Berdasarkan data tersebut, maka normalitas AgNO3 sebesar ....
0,049 N
0,098 N
0,100 N
1,000 N
1,500 N
4.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Pada standarisasi 25 ml larutan NaOH ternyata membutuhkan 25 ml larutan asam oksalat yang dibuat dengan melarutkan 0,315 gram H2C2O4.2H2O ditambah aquades sampai volume 50 ml. Jika Ar H=1, C=12, O=16, dan ekivalen H2C2O4.2H2O=2, maka normalitas NaOH adalah...
0,0100 N
0,1000 N
0,0200 N
0,2000 N
0,2500 N
5.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Konsentrasi larutan asam formiat HCOOH 4,6% dengan massa jenis 1,01 g/mL adalah......(Mr CHOOH = 46)
1,0100 M
0,1001 M
0,0100 M
1,0000 M
0,0110 M
6.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Pesentase atau kadar (%) 45 gram Garam yang dicampurkan dengan 155 ml air adalah....
25,5000
24,7500
23,7500
22,5000
22,0500
7.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Ditimbang 1000 mg contoh yang mengandung 4,9 % zat X. Zat X dilarutkan dalam labu ukur 100 mL. Dipipet 25 mL larutan ditambahkan indikator dan dititar dengan larutan penitar 0,1000 N. Jika diketahui BE zat X = 49, maka volume penitar yang dibutuhkan adalah...
2,5 ml
5 ml
10 ml
20 ml
25 ml
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