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Dana Herzog

Feb 20, 2025

How do I do this chemistry problem?

How many moles of (CH3)3NH+ are in 6.0 g of (CH3)3NH+?

6 Answers

Molar mass (CH3)3NH+ = 12.011*3 + 1.008*10 + 14.007 = 60.12 If you have 6g you will have 6/60 = 0.1 moles... Show More
Taking atomic mass of C 12, N 14 and H1Molecular Wt. of (CH3)3NH+ = 60So no. of moles (CH3)3NH+ in 6.0g = 6/60 = 0.1So 6 g of (CH3)3NH+ contains 0.1 moles of it.This is simplified answer,Now consult your book take exact mass of the atoms , like H= 1.008 g, N = 14.0067g, C= 12.011g and recalculate it.Answer will differ very slightly.... Show More
first you calculate the molar mass of (CH3)3NH+, which i think is around 60g/mol? im not that sure but you get this by adding the molar masses of each individual atom. like for example the molar mass of carbon is est 12 then multiply this by 3 since there are a total of 3 atoms in the ion. then add them all. yea anyway after getting the molar mass, you simply divide the mass [which is 6.0g] by the molar mass. then you get the number of moles.... Show More
first you need to know how many grams are in 1 mole of the molecule. To do this you add up the atomic mass of each atom in the molecule. So we have:3xC + 10xH + 1xN =3×12.01 + 10×1.008 + 14.01=60.12So in 1 mole there is 60.12 g, so in 6 grams, there is 6.0/60.12 which is approximately 0.10 moles... Show More
when i have these kind of problems i follow a rulen=m/Mor (n) equals (little m) over (big M)n – is the number of moleslittle m – is the mass in gramsbig M – is the molar mass of the product.in your problemn= ?m = 6.0gM= (12+ (3*1.008))*3 + 14 + 1.008 = 60.08so now n=m/Mn=6/60.08so therefore n= 0.1moles... Show More

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