Question

7oh_+4mno2+2hcl or 4mncl2+h2o+cl2

Answer 1

=7(16+1)+4(55+2*16)+2(1+35.5) u

=7(17)+4(87)+2(36.5) u

=119+348+73 u

=540u

=4(55+2*35.5)+(1*2+16)+2*35.5

=4(55+71)+(18)+71

=4(126)+18+71

=504+18+71

=593u