AlinaMaco
Answered

ABalance the following equations:

i) PbCl2 + AgNO3 <----> AgCl + Pb (NO3) 2

ii) AlCl3 + NH4OH <----> Al(OH)3 + NH4Cl

iii) FeCl3 + Ca(OH)2 <----> CaCl2 + Fe(OH)3

iv) Pb(ClO3)2 + K2SO4 <----> PbSO4 + KClO3

v) Na + HOH <----> NaOH + H2

vi) Zn + HCl <----> ZnCl2 + H2

vii) Al + AgCH3COO <----> Al(CH3COO)3 + Ag

viii) MgO + HNO3 <----> Mg (NO3)2 + H2O

ix) MnO2 <----> Mn3O4 + O2

BWhy is it incorrect to alter the chemical formula when balancing an equation?

Verified Answer :

SoapyMcTavish

A-
i) \(PbCl_2 + 2AgNO_3 = 2AgCl + Pb(NO_3)2\)
ii) \(AlCl_3 + 3NH_4OH = Al(OH)_3 + 3NH_4Cl\)
iii) \(2FeCl_3 + 3Ca(OH)_2 = 3CaCl_2 + 2Fe(OH)_3\)
iv) \(Pb(ClO_3)_2 + K_2SO_4 = PbSO_4 + 2KClO_3\)
v) \(2Na + 2HOH = 2NaOH + H_2\)
vi) \(Zn + 2HCl = ZnCl_2 + H_2\)
vii) \(Al + 3AgCH_3COO = Al(CH_3COO)_3 + 3Ag\)
viii) \(MgO + 2HNO_3 = Mg(NO_3)_2 + H_2O\)
ix) \(3MnO_2 = Mn_3O_4 + O_2\)

B- Because chemical formula has its own unique set of elements and subscripts

Hope this Helps :)

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