WorksheetsMath of Formulas & Equations
Total questions: 15
Worksheet time: 23mins
What is the ratio of barium to nitrate in Ba(NO3)2?
1:3:2
1:2
2:1
1:6
What is the total number of hydrogen atoms in Mg(C2H3O2)2?
1
3
5
6
Which is an empirical formula?
C2H6
N2O4
SO2
Ca2O2
What is the gram formula mass of C6H12O6?
96g
180g
360g
600g
What is the percent by mass of nitrogen in NH4NO3?
15%
20%
35%
60%
Which is the formula for chromium (VI) oxide?
CrO
Cr6O
CrO6
CrO3
Identify the type of reaction:
2H2 + O2 --> 2H2O
synthesis
decomposition
single replacement
double replacement
Identify the type of reaction:
2KClO3 --> 2KCl + 3O2
synthesis
decomposition
single replacement
double replacement
Identify the type of reaction:
Mg + 2AgCl --> MgCl2 + 2Ag
synthesis
decomposition
single replacement
double replacement
Identify the type of reaction:
CaCl2 + 2NaBr --> CaBr2 + 2NaCl
synthesis
decomposition
single replacement
double replacement
Balance the following equation
_____Al2(SO4)3 + ____ZnCl2 --> ____AlCl3 + ____ZnSO4
(a)
A compound has a molecular mass of 70amu and an empirical formula of CH2. What is the molecular formula?
CH2
C2H4
C4H8
C5H10
Given the reaction
4Na + O2 --> 2Na2O
how many moles of oxygen are completely consumed in the production of
1.00 mol Na2O?
0.50 mol
1.00 mol
2.00 mol
4.00 mol
What is the total mass of 0.75mol SO2?
16g
24g
32g
48g
How many particles are in 3 moles of oxygen?
6.02 x 1023
12.04 x 1023
18.06 x 1023
24.08 x 1023
