Answered

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4) Calculate the percentage by
mass of oxygen in Pb(NO3)2
A) 193
B20
145

Sagot :

Answer:

  im getting 331.23

Explanation:

Element Number Mass Percet Composition

O            6         16.00  28.9828819853274

N             2         14.01 8.45937867946744

Pb             1        207.21 62.5577393352051

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