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jasenka [17]
4 years ago
6

What is the basic SI unit of mass?

Chemistry
1 answer:
Aliun [14]4 years ago
4 0
FSU smh x c tax TV TV yes TV red x tv ex exn DV v
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I NEED HELP!!
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4 years ago
Calculate the mass of water produced when 6.97 g of butane reacts with excess oxygen
andrew-mc [135]
The balanced reaction equation for the combustion of butane is as follows;
C₄H₁₀ + 13/2O₂ ---> 4CO₂ + 5H₂O 
the limiting reactant in this reaction is C₄H₁₀  This means that all the butane moles are consumed and amount of product formed depends on the amount of C₄H₁₀ used up.
stoichiometry of C₄H₁₀ to H₂O is 1:5
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number of moles - 6.97 g / 58 g/mol = 0.12 mol
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Therefore mass of water produced - 0.6 mol x 18 g/mol = 10.8 g
7 0
4 years ago
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