1.

(Atomic weight of Cu = 63.5, N =14, O = 16) *calculate the formula of mass of cu(no3)2185.7 u186.5 u187.5 u188.7 u​

Answer»

answer:-

explain by STEPS:-

CU= 63.5

n=14

o=16

mass

cu(no3)2

63.5+(14+16*3) ('(-";''!:*!_;



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