Regents Chemistry
Mole Practice problems
Name: ________________________
Write the following conversion factors here:
MOLES -> PARTICLES:
e
Fr
MOLES -> VOLUME (GAS):
Section 1 – Moles -> Particles
1. How many moles is 2.80 x 1024 atoms of silicon?
e
b) How many atoms do we have?
c) NaCl
d) sucrose, C12H22O11
e) Mg(NO3)2
f) sodium sulfate
w
Section 2 – Molar Mass
3. Calculate the molar mass of the following compounds:
a) H2O
b) CH4
ie
ev
Pr
2. If we have 1.14 mol SO3,
a) How many molecules do we have?