If particles have wavelike motion, why don’t we observe that motion in the macroscopic world?
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163 grams (3 sig. fig.).
<h3>Explanation</h3>- Formula of <em>carbon(IV) oxide</em> (a.k.a. carbon dioxide):
.
- Molar mass of
.
- Formula of ethyne: structural
or molecular
.
- Molar mass of
.
All carbon atoms in that 104 grams of ethyne will end up in . Number of moles of molecules in 104 grams of ethyne:
.
There are two carbon atoms in each ethyne molecule. Number of carbon atoms in that many ethyne molecules:
.
There are one carbon atom in each molecule. In case oxygen is in excess, all those carbon atoms from that 104 grams of ethyne will make
of
.
Mass of all those molecules:
. (3 sig. fig. as in the mass of ethyne.)