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BigorU [14]
3 years ago
7

Which statemate explains the process of a chemical reaction

Chemistry
1 answer:
Snowcat [4.5K]3 years ago
5 0

It is, Reactants react to produce new substances known as products.

because a chemical reaction is the combining of different reactants

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The empirical formula of styrene is CH; find the % composition for H and CH. How many atoms are present in a 2.00 gram sample of
lina2011 [118]
% Composition = ?
no atom in 2 g of styrene =? 
molar mass of strene =104.15
% composition of c= 12/13.008 =.922*100=92.2
% composition of h =1.008/13.008=0.0774*100= 7.74

no gram atom=mass in kg /molar mass=2/104.15 =0.01920 mol
no of gram atom * avogadro's number  = 0.0192*6.02 *10( exponent 23) =1.15584 


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