How To Convert Grams To Moles - VERY EASY!

This chemistry video tutorial explains how to convert the unit grams to moles which is a common conversion step for many stoichiometry questions. You need to find the molar mass of a compound to convert the mass in grams to moles. This video contains plenty of examples and practice problems.
Introduction to Moles:
• Introduction to Moles
How To Calculate The Molar Mass:
• How To Calculate The M...
How To Convert Grams to Moles:
• How To Convert Grams T...
How To Convert Moles to Grams:
• How To Convert Moles t...
Moles to Atoms Conversion:
• Moles To Atoms Convers...
Grams to Molecules Conversion:
• Grams to Molecules and...
_________________________________
Grams to Atoms:
• How To Convert Grams t...
Moles, Atoms, & Grams Conversions:
• How To Convert Between...
How To Balance Chemical Equations:
• How To Balance Chemica...
Stoichiometry - Basic Introduction:
• Stoichiometry Basic In...
Avogadro's Number:
• Avogadro's Number, The...
_________________________________
Limiting Reactant Problems:
• Limiting Reactant Prac...
Excess Reactant Problems:
• How To Find The Amount...
Theoretical & Percent Yield:
• How To Calculate Theor...
Percent Yield - More Examples:
• How To Calculate The P...
Percent Error:
• Percent Error Made Easy!
_________________________________
Percent Composition By Mass:
• Percent Composition By...
Empirical Formula Problems:
• Empirical Formula & Mo...
Empirical Formula - Hydrated Compounds:
• How To Find The Empiri...
Combustion Analysis:
• Introduction to Combus...
Stoichiometry Practice Test:
• How To Solve Stoichiom...
_______________________________________
Final Exams and Video Playlists:
www.video-tuto...
Full-Length Videos and Worksheets:
/ collections
Stoichiometry Formula Sheet:
bit.ly/3Z7uMw8

[@TheOrganicChemistryTutor]

Stoichiometry Formula Sheet: bit.ly/3Z7uMw8 Final Exams and Video Playlists: www.video-tutor.net/ Full-Length Videos & Worksheets: www.patreon.com/MathScienceTutor/collections General Chemistry 1 Review: bit.ly/3DNmZqb PDF Worksheet - 160 Questions: bit.ly/37SVLn6

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It's exactly the same formula he was using but he just didn't say it as a formula that's all it was like Molar mass 1 mol --------------------- x ------------------------- 1 Molar Mass

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[@aaronfitzgerald9109]

what is the point of this fraction stuff? why cant you just go (n = m/M), ie known "grams" of substance divided by the substance's Molar Mass??

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Why did you put the number 1 underneath the 40.08 grams but didnt ecplain what it is or write out its units

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so basically: just divide mass given in the question by that atom/compound's mass per element's which can be found in periodic table ? tell me why chemistry teachers spend months trying to teach simple division!

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Aren’t your suppose to cross multiply and after divide the numerator?

[@Sofia.afnsss]

I'm getting lost at 5:14 - I can't seem to grasp why it could change for another example problem. I'm not understanding how it could change in the event of another question/problem. Can somebody please help me understand this last conversion step, thank you!

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If it were Si2F4, for example, there would be 2 mol Si / 1 mol Si2F4, is this correct?

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an hour and 15 minutes of class and I don't know what's going on but 13 minutes here and it's much clearer

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there's one thing i don't understand aren't you supposed to use 6.02x10 in a power of 23???

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you only do that when you are going from moles to atoms, not atoms to moles. then you multiply by 6.02x10^23.

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In #4, how are we supposed to know that Aluminum Floride is an ionic compound and not AlF?

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[@racheldemoranville4755]

how do you convert larger compounds of grams to a smaller compound of moles, for example, 204.00 grams of H2SO4 to moles of O?

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Would the 1 in "1 mol" count when doing scientific notation?

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Are we supposed to round it to the nearest tenth?

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everyone here saying they don't understand their teachers meanwhile mine doesn't even teach us

[@BarbaraO-to6ph]

i feel dumb, how do you know which unit goes where? maybe im not parsing the sentence, but how do you know 20g grams goes on bottom, or 40grams on bottom problem i keep having is im not sure which number goes where, my math process is right but not sure to tell which goes where, cancelling i understand

[@darthslayder6904]

the units you want to convert (ex. g in this video) always come first in the equation. you put them over one (30 g C/1). then you simply put the number with corresponding units underneath the next one. to put it simply, you want your units to cancel diagonally, so you have to have one unit on the top and one on the bottom. hope this helps!

[@lana-ef5hw]

20 g of carbon goes on the top because it’s your given. always start with the given number in the problem. 40g is the conversion factor

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It's simply n=m/M

[@portafortoz.0728]

5:41 you actually got that question incorrect, it was asking for the moles of silicon in silicon tetra fluoride but you gave a one-step answer to the moles of the entire molecule without using a molar ratio to calculate just the moles of silicon in the whole molecule.

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why didnt we multiply number of silicon atoms in the 2nd example of silicon tetrafluoride?

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I'm not sure how to navigate this topic but with the problems that my chem teacher gives. Example: When nitrogen gas and Oxygen mix, Nitrogen monoxide gas is formed. If you start with 100 moles of Nitrogen gas, how many grams of Nitrogen monoxide did you make?

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in calcium part is it 20 devided by 40.08 or 40.08 devided by 20 ??

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I dont know if you still need the answer a year later but its 20 devided by 40.08

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Professor Organic Chemistry Tutor, thank you for an exceptional video/lecture on How to Convert Grams to Moles in AP/General Chemistry. Converting Grams to Moles can be simple, however each problem comes with a degree/level of difficulty. This is an error free video/lecture on KZbin TV with the Organic Chemistry Tutor.

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So can you calculate it without a scientific calculator?

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I'm still confused

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I must be doing something wrong with my calculations or your wrong for the first time 😅. (Definitely me) but when u added for the molar mass for question 5 I got 312.34,

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Lol the thumbnail has the wrong units for mols Ca.

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12g C is the molar mass right??

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