Jika kita melarutkan 9 gram gula sederhana (C6H12O6) ke dalam 500 gram air maka berapakah molalitas glukosa tersebut dalam larutan?
Ulangan semester 2024

Quiz
•
Chemistry
•
12th Grade
•
Easy
Aswar. G
Used 1+ times
FREE Resource
7 questions
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1.
MATH RESPONSE QUESTION
2 mins • 1 pt
Mathematical Equivalence
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2.
OPEN ENDED QUESTION
10 mins • 1 pt
Hitunglah fraksi mol zat terlarut bila 117 gram NaCl dilarutkan dalam 360 air! (Mr NaCl = 58,7) ?
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3.
OPEN ENDED QUESTION
10 mins • 1 pt
Natrium hidroksida 1,6 gram dilarutkan dalam 500 gram air. Hitung titik didih larutan tersebut! (Kb air = 0,52 °Cm-1Ar Na = 23, Ar O = 16, Ar H = 1) ?
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4.
OPEN ENDED QUESTION
10 mins • 1 pt
Fraksi mol urea dalam air adalah 0,5. Tekanan uap air pada 20°C adalah 17,5 mmHg. Berapakah tekanan uap jenuh larutan tersebut pada suhu tersebut?
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5.
OPEN ENDED QUESTION
10 mins • 1 pt
MnO4-(aq) + Cl-(aq) → Mn2+(aq) + Cl2(g) (dalam suasana asam) setarakan
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6.
OPEN ENDED QUESTION
10 mins • 1 pt
Pada sel Volta diketahui dua elektrode Zn dalam larutan Zn2+dan elektrode Cu dalam Cu2+.
Z2+(aq) + 2 e ̄ → Zn(s) E° = -0,76 volt
Cu2+(aq) + 2 e ̄ → Cu(s) E° = +0,34 volt
a. Tentukan elektrode sebagai anode dan katode. b. Tentukan potensial sel (E°sel). c. Tuliskan reaksi pada sel Volta.
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7.
OPEN ENDED QUESTION
10 mins • 1 pt
Tentukan reaksi elektrolisis dari H2SO4 dengan elektrode Pt!
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