Question

कैलकुलेट द मॉलिक्यूलर मास ऑफ nano3 ,na 2 co3 एंड caci2(ca=40u,ci=35u,na=23u,o=16u,c=14u)​

Answer 1

Answer:

Formula unit mass of ZnO=(Atomic mass of Zn)+(Atomic mass of O)

=(65+16)u =81u

Formula unit mass of Na

2

O=(2×23)+16

=62u

Formula unit mass of K

2

CO

3

=(2×39)+12+(3×16)

=138u

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