Which of the following are empirical formulas?
i.C10H8
ii.CH2
iii.Al2Cl6
iv.NO2
v.Hg2Cl2
A) i only
B) i and ii
C) ii and iv
D) i, ii, and v
E) iii, iv, and v
Correct Answer:
Verified
Q20: Which of the following statements is/are correct?
i.A
Q21: A certain compound is 66.7% carbon,3.74% hydrogen,and
Q22: Calculate the percentage composition of calcium chlorate.
A)19.4%
Q23: Calculate the percent nitrogen in ammonium nitrate.
A)17.5%
B)21.9%
C)22.9%
D)33.3%
E)35.0%
Q24: From the following,pick those that are empirical
Q26: How many grams of oxygen are in
Q27: What is the mass of 0.0490 mole
Q28: Which off the following provides the conversion
Q29: Calculate the number of moles in 15.8
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