Question

calculate the number of moles in 2g of NaoH​

Answer 1

Answer:

0.05

Mass of NaoH = 23+16+1 = 40 gm

given NaoH = 2 gm

no. of moles= 2/40

= 1/20

= 0.05

Answer 2

Answer:

0.05 MOLES

Explanation:

No.of moles = weight of substance /molar mass

molar mass of Naoh is 40  

weight of substance is 2g

no.of moles =2/40  

                    =0.05 moles                    

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