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1. Find the molar mass (MM) of the hydrate (cobalt acetate tetrahydrate).
MM Co(C2H3O2)2: 177.02g (anhydrate)
+ MM 4H2O: 72.06g (water)
MM Co(C2H3O2)2 * 4H2O = 249.08g (hydrate)
2. Find the percent water of hydrate. Divide the mass of water by the mass of hydrate (anhydrate + water = hydrate).
72.06g
249.08g x 100%
Percent water of hydrate is 28.93%.
Finding Molar Mass
# atoms Element A * Atomic Mass Element A = Mass A
# atoms Element B * Atomic Mass Element B = Mass B
... etc.
Add up all of the mass values and you have the molar mass of the substance.
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What is the formula for manganese acetate?
Mn(CH3COO)2 4H2O
Compound name for Cu Cl 4H2O?
hydrochloric acid
What is the formula for nickel II sulfate hexahydrate?
The formula for nickel II sulfate tetrahydrate is NiSO4 * 4H2O.
C3H8 plus 5O2---3CO2 plus 4H2O. How many moles of water form when 4.50 L propane gas C3H8 completely react?
5048+w4g5=23vm32
Can C3H8 5O2 3CO2 4H2O be a combustion reaction?
Nope, combustion
What is the balanced equation of the combustion of propane to produce carbon dioxide and water vapor?
C3H8 + 5O2 >> 3CO2 + 4H2O ( and, of course, energy )
What is the balance reaction for tin chloride plus water?
2SnCl4 + 4H2O = 8HCl + Sn2O4
What are the end products of burning propane assuming 100-percent efficiency?
Water and Carbon dioxide. Here is the Balanced combustion eq'n. CH3CH2CH3 + 5O2 = 4H2O + 3CO2
Sodium chromate how many water molecules per formula?
4 molecules It's Na2CrO4 · 4H2O
How many reactions are in this equation c3h8 5o2 3co2 4h2o?
The answer is: C3H8 + 5O2 3CO2 + 4H2O
What is the symbol equation for propane plus oxygen -carbon dioxide plus water?
C3h8 + 5o2 -----> 3co2 + 4h2o
What are the products of burning hydocarbons?
It depends upon the extent of combustion take propane as an example Complete Combustion: C3H8(g) + 5O2(g) --> 3CO2(g) + 4H2O(l) Incomplete Combustion: C3H8(g) + 3.5O2(g) --> 3CO(g) + 4H2O(l) Very Incomplete Combustion: C3H8(g) + 2O2(g) --> 3C(s) + 4H2O(l) Products of Complete = Carbon Dioxide + Water Products of Incomplete = Carbon Monoxide + Water Products of Very Incomplete = Amorphous Carbon (soot) + Water
Could you Balance NH4NO3 - N2 O2 H2O?
2NH4NO3->2N2+O2+4H2O
What is the balnced equation for methane gas reacts with oxygen gas to form carbon dioxide and water?
2ch4 + 3o2 ==> 2c2o + 4h2o
What is the result of oxygen reacting with propane?
it is combustion reaction, thus will produce water and carbon dioxide. C3H8 + 5O2 --> 3CO2 +4H2O
Use the following balanced equation to answer these question n2h4 plus 2h2o2--n2 plus 4h2o how many moles of h2o are produced from 1.5 moles of n2h4?
N2H4 + 2H2O2 -> N2 + 4H2O 1.5 moles N2H4 (4 mole H2O/1 mole N2H4) = 6.0 moles water produced
What is the formula for manganese acetate?
Mn(CH3COO)2 4H2O
