A compound has a molecular mass of 54 and and an empirical formula of C2H3. What is the molecular formula of the compound? O A. C6H9 OB.C4H6 OCC2H3 OD C5H8 OE C6H10

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QUESTION 23
A compound has a molecular mass of 54 and and an empirical formula of C2H3. What is the molecular formula of the
compound?
O A. C6H9
OB.C4H6
OC. C2H3
OD. C5H8
OE.C6H10
Transcribed Image Text:QUESTION 23 A compound has a molecular mass of 54 and and an empirical formula of C2H3. What is the molecular formula of the compound? O A. C6H9 OB.C4H6 OC. C2H3 OD. C5H8 OE.C6H10
QUESTION 21
The group of particles having the same number of electrons in each particle is
OA.
Ne, Na*1, Mg2+
B. Ar, CI, S
OC.
He, Li*1, Be
OD.
As3+, se2+, Br*1
Ar, K
K*1, o2-
QUESTION 22
The number of atoms in the formula Al2 (SO4)3 is
O A. 42 O B. 17 OC.5 O D. 10 O E 34
Transcribed Image Text:QUESTION 21 The group of particles having the same number of electrons in each particle is OA. Ne, Na*1, Mg2+ B. Ar, CI, S OC. He, Li*1, Be OD. As3+, se2+, Br*1 Ar, K K*1, o2- QUESTION 22 The number of atoms in the formula Al2 (SO4)3 is O A. 42 O B. 17 OC.5 O D. 10 O E 34
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