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What is the dimension of molar mass?

According to ISO ISO/IEC 80000 Quantities and units, BIPM The International System of Units (SI), IUPAC Quantities, Units and Symbols in Physical Chemistry (Green Book), NIST Guide for the Use of the ...
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Why is weight of 1 mole of substance equal to atomic/molecular mass in grams?

Why is weight of 1 mole of substance equal to atomic/molecular mass in grams? According to me, it happens because mole has been defined in such a way. Yes! That is correct. It is defined as the ...
• 10k
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What is the mass of 1 atom of carbon?

Both approaches are correct. Avogadro's number is $6.02214129\times 10^{23}$ and represents the number of carbon-12 atoms in 12 grams of unbound carbon-12 in the ground electronic state. $12$...
• 38.8k
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Why not an Avogadro's principle for solid matter?

Avogadro's law, which can be written as $V \propto n$, where $V$ is the volume of the gas and $n$ is the amount of substance of the gas (measured in moles), can be thought of as just another ...
• 18.4k
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How to determine the equation for the reaction of europium with sulfuric acid based on experimental measurements?

Your equation isn't balanced; the oxidation state for europium is +3 and not +1; and europium sulfate does not exist in the solution you describe. From this link: Reaction of europium with acids ...
• 10.3k

How to correctly write "7 apples" according to the international system of units (SI)

Mole is just a scale factor I find this description very intuitive: A mole is the amount of pure substance containing the same number of chemical units as there are atoms in exactly 12 grams of ...
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Question: Which one is larger: an atomic mass unit based on the current standard or one based on the mass of a Be-9 atom? Answer It is easy enough to look up the weights of $\ce{^{12}C}$ (12....