What is the mass in grams of 9.66x10^24 molecules of methanol

Data:
Molar Mass of CH3OH = 32.04 g/mol


Solving: According to the Law Avogradro, we have in 1 mole of a substance, 6.02x10²³ atoms/mol or molecules

1 mol -------------------- 6.02*10²³ molecules
y mol -------------------- 96.6*10²³ molecules

6.02*10²³y = 96.6*10²³ 



Solving: Find the mass value now

32.04 g ----------------- 1 mol of CH3OH
x g ------------- 16.04 mol of CH3OH




The mass is 513.92 grams

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Answer:

a. energy is absorbed in the reaction.

explanation:

if in a given reaction the energy of products is greater than the energy of reactants it means that reaction is endothermic and during the reaction, the energy is absorbed by reactants. in an endothermic reaction, the products have more stored chemical energy than the reactants. and in this reaction the reactants are more stable than products before the compounds with less energy are always more stable.