Chemistry - Concentration Terms Question with Solution | TestHub

ChemistryConcentration TermsConcentration termEasy2 minPYQ_2020
ChemistryEasysingle choice

How many moles ofNa+ions are in 20 ml of 0.4 MNa3PO4?

Options:

Answer:
B
Solution:

M=nV×1000
n=Number of atoms×M×V1000
Number of moles ofNa+=0.4×20×3×10-3=0.024

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Concentration TermsSubtopic:Concentration term
⏱ 2mℹ️ Source: PYQ_2020

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