Calculati molaritatea unei solutii obtinuta prin dizolvarea a 5 g de NaCl intr-o cantitate suficienta de apa incat sa se formeze 0,125 L solutie

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29 Agustus 2025 chimie 5 minute
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Clasă: Education Materie: chimie
Calculati molaritatea unei solutii obtinuta prin dizolvarea a 5 g de NaCl intr-o cantitate suficienta de apa incat sa se formeze 0,125 L solutie
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MNaCl=58,5g/mol

md=5

Cm=md/M*Vs = 5/(58,5*0,125) = Calculeaza !!!

sau 

n=m/M=5/58,5=0,08547 moli NaCl

Cm=n/Vs=0,08547/0,125 = Calculeaza !

Răspunsul a fost dat în data 29 Agustus 2025

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