Di antara kelompok senyawa berikut yang merupakan rumus empiris adalah
Rumus Empiris dan Rumus Molekul Bagian 1

Quiz
•
Chemistry
•
10th Grade
•
Easy
Yuliana Kartika
Used 1+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
P2O5 dan CH2O
P4O10 dan C4H8
(COOH)2 dan C5H6
C6H12O6 dan C2H6O
C3H8 dan C6H14
2.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Di bawah ini yang termasuk kelompok rumus empiris adalah ….
NO2, H2O2, SO2
C2H2, C2H4, H2O2
C6H6, CH4, C2H4
H2O, H2O2, CO2
CH3, C2H6O, C2H5
3.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Suatu senyawa mempunyai rumus empiris (CHO2)n dengan massa rumus relatif 90 (Ar C = 12 ; H = 1 ; O = 16), maka molekul senyawa tersebut adalah
CHO2
C2H2O2
C2H2O4
C3H3O3
C6H12O6
4.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Suatu senyawa memiliki rumus empiris CH2. Jika massa molekul relatif senyawa tersebut 70, rumus molekulnya adalah ....
C2H4
C3H6
C4H8
C5H10
C6H12
5.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Pirimidin tersusun dari 60% karbon, 5% hidrogen, dan sisanya nitrogen (Ar H=1, C=12, N=14). Jika massa molekul relatif pirimidin adalah 80 maka rumus molekulnya adalah ....
C2H2N
C4H4N2
C5H6N
C6H6N3
C3H2N4
6.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Suatu senyawa dengan Mr=80 mengandung 40% massa unsur X (Ar=32) dan sisanya unsur Y (Ar= 16) . rumus molekul senyawa tersebut adalah
XY
XY2
XY3
X2Y
X2Y3
7.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Senyawa karbon mengandung 40% karbon, 53,33% oksigen dan sisanya hidrogen.jika mr senyawa tersebut 180 maka rumus molekul senyawa tersebut adalah
C6H12O6
C3H4O2
C3H5O2
C3H6O2
C6H8O6
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