Question

(Atomic weight of Cu = 63.5, N =14, O = 16) *

calculate the formula of mass of cu(no3)2

185.7 u

186.5 u

187.5 u

188.7 u

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Answer 1

answer:-

explain by steps:-

cu= 63.5

n=14

o=16

mass

cu(no3)2

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