WorksheetsMake-up CW and HW.
Total questions: 15
Worksheet time: 41mins
What is the empirical formula for N2S3?
NS
N3S2
N2S3
N1S1.5
You are given 40.05g S and 59.95g O. Find the empirical formula for these elements.
SO
SO2
SO3
SO4
Which of the following compounds are both an empirical AND molecular formula (check all that apply)
C6H12O6
C12H22O11
H2O2
S2O4
H2O
Abigail, Aria, and Isla are working on a chemistry project. They have found an unknown compound with an Empirical Formula of CF2. They also determined that the Molecular formula mass of the compound is 192 g/mol. Can you help them figure out the Molecular Formula of the compound?
C4F8
C8F4
C3F6
C2F4
William, Abigail, and Emma are working on a chemistry project. They came across a compound with an empirical formula of C4H4O. They found out that the molar mass of the molecular formula is 136 g/mol. Can you help them figure out the molecular formula of this compound?
C12H12O3
C24H24O6
C16H16O4
C8H8O2
Michael, Arjun, and Abigail are studying chemistry together. They came across a sugar molecule and found out that its empirical formula is CH2O and the molecular molar mass is 180.18. Can you help them figure out the molecular formula of the sugar molecule?
CH2O
C2H4O2
C4H8O4
C6H12O6
Si2F6
Choose the correct empirical formula...
SiF
Si2F6
SiF3
Si6F2
What is the empirical formula for C4H6?
CH
CH3
C2H3
C4H6
A sample contains 36.95 g of mercury (Hg) and 13.05 g of chlorine (Cl). What is the empirical formula for this compound?
HgCl2
Hg3Cl
Hg17Cl36
HgCl
Si2F6
Choose the correct empirical formula...
SiF
Si2F6
SiF3
Si6F2
How many Carbons "C" are in C18H34O3
18
34
3
37
How would you calculate the molar mass for C4H6?
12.0111 + 1.00794
4(12.0111) + 6(1.00794)
2(12.0111) + 3(1.00794)
6(12.0111) + 4(1.00794)
Which of the following statements is true?
The empirical formula is always the same as the molecular formula.
The molecular formula is always a multiple of the empirical formula.
The empirical formula is always a multiple of the molecular formula.
The molecular formula is always simpler than the empirical formula.
