moles —> mass
What is molar mass?
The amount of substance of any sample of a compound
What is a particle?
Ions, atoms, & molecules
Identify the type of reaction: 2H2(g) + O2 --> 2H2O(g) is an example.
Combustion! (redox subtype)
How do you convert mass to moles?
By multiplying the atomic mass number with the given mole number
What is the number of particles in a mole called?
Avogadro’s number
Identify the reaction: 2Na(s) + Cl2(g) --> 2NaCl(s)
Synthesis! (redox subtype)
Convert 15 grams of H2SO4 to moles
0.15 moles
How many atoms are in 1.00 moles of He?
6.02x10^23
Identify the oxidized and reduced species in the following reaction:
3Hg2+ + 2Fe -> 3Hg + 2Fe2+
Hg is reduced, Fe is oxidized
How many moles are in 15g of lithium?
2.2 moles of Li
How many atoms are in 1.50 moles of Hg?
9.03x10^23
What are the two general products of an acid/base reaction?
Water and Salt (ionic compound)
How many atoms are present in 2.5 moles of Silicon?
1.5 x 10^24 atoms
How many moles are in 2.91x10^22 atoms of He?
4.83x10^-2
Determine the products and balance the following reaction:
Na2SO4(aq) + Ba(NO3)2(aq) ->
Na2SO4(aq) + Ba(NO3)2(aq) -> 2NaNO3(aq) + BaSO4(s)