Sebanyak 120 gram NaCl (Mr = 58.5gr/mol) dilarutkan dengan aquadest hingga volume 400 ml. Berapa molaritas larutan NaCl?
Kuis Farmasetika Dasar Smt Ganjil 2023_2024 Kelas D41A
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Professional Development
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arisanty arifuddin
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24 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sebanyak 120 gram NaCl (Mr = 58.5gr/mol) dilarutkan dengan aquadest hingga volume 400 ml. Berapa molaritas larutan NaCl?
0,15 M
0,51 M
1,50 M
5,10 M
5,15 M
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Besaran yang menyatakan jumlah mol zat terlarut pada tiap satuan massa pelarut adalah ...
Molaritas
Fraksi mol
Persen volume
Mol
Molalitas
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sebanyak 60 gram NaOH dilarutkan dalam 3 kg air, Mr NaOH = 40 gr/mol. Berapa molalitas NaOH?
0,05 m
0,50 m
0,51 m
0,55 m
5,0 m
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Massa NaOH (Ar Na = 23, O = 16, dan H = 1) yang harus dilarutkan untuk membuat 100 mL larutan NaOH 0,1 M adalah ...
0,04 gram
0,40 gram
4,00 gram
4,40 gram
40 gram
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Besaran yang menyatakan jumlah mol zat terlarut pada tiap satuan volume larutan adalah ...
Fraksi mol
Molalitas
Molaritas
Persen volume
Massa jenis
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Konsentrasi larutan dibuat dari 25 gram padatan CaCO3 dan dilarutkan dalam air hingga volume larutan menjadi 500 mL adalah…
(Ar Ca = 40, C = 12, O = 16)
0,025 M
0,05 M
0,25 M
0,5 M
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Massa Na2CO3 yang ada dalam 200 mL larutan Na2CO3 0,1 M adalah ... (Ar Na = 23, C = 12, O = 16)
1 gram
2 gram
3 gram
4 gram
5 gram
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