mole concept concentration terms perhaps

what even is this? like i don't understand the options, pls explain
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iTeachChem Helper
@Dexter
iTeachChem Helper
Note for OP
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Sephrina
Sephrina4w ago
I think it's from chemistry in daily chapters not sure though
nori
noriOP4w ago
oh okay
iTeachChem
iTeachChem4w ago
Total mass of p = 31x4. Total mass of p4o10 = 31x4 + 160 So option d
nori
noriOP4w ago
sir P and P4O10 used in the options what does that indicate? like the num value is the mass fraction P4O10 im guessing is the total mass then?
iTeachChem
iTeachChem4w ago
mass fraction most likely yes
nori
noriOP4w ago
okay yeah i was confused in this way of expressing it thanks a bunch +solved @iTeachChem
iTeachChem Helper
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