Calculatethe formula unit masses of ZnO, Na₂O,K₂CO₃,given atomic masses of Zn = 65 u, Na = 23 u, K = 39 u, C = 12 u, andO = 16 u.

Open in App

Solution

Formulaunit mass of ZnO = Atomic mass of Zn + Atomicmass of O
= 65 + 16
= 81 u
Formulaunit mass of Na₂O= 2 Ã—Atomic mass of Na + Atomic mass of O
=2 Ã—23 + 16
= 62 u
Formula unit mass of K₂CO₃= 2 Ã—Atomic mass of K + Atomic mass of C + 3 Ã—Atomic mass of O
=2 Ã—39 + 12 + 3 Ã—16
= 138 u

Suggest Corrections

Similar questions

Z n O, N a_{2} O, K_{2} C O_{3}

Z n O, N a_{2} O, K_{2} C O_{3}

Z n = 65 u, N a = 23 u, K = 39 u, C = 12 u

O = 16 u

{N a}_{2} O

A t o m i c m a s s o f N a = 23 u, O = 16 u

N a = 23 C = 12, O = 16

Join BYJU'S Learning Program