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6) ___ Mn(NO2)2 + ___ BeCl2 ___ Be(NO2)2 + ___ MnCl2<br />

IT'S GOOD ;)<br />

7) ___ 3 AgBr + ___ GaPO4 ___ Ag3PO4 + ___ GaBr3<br />

Ag1x3=3<br />

Br1x3=3<br />

Ga1<br />

P1<br />

O4<br />

Ag3<br />

Br3<br />

Ga1<br />

P1<br />

O4<br />

8) ___ 3 H2SO4 + ___ 2 B(OH)3 __ B2(SO4)3 + ___ 6 H2O<br />

H5x2=10+2=12<br />

S1x3=3<br />

O7x2+2=18<br />

B1x2=2<br />

H2x6=12<br />

S3<br />

O13-18<br />

B2<br />

9) ___ S8 + ___ 8 O2 ___ 8 SO2<br />

S8<br />

O2x8=16<br />

S1x8=8<br />

O2x8=16<br />

10) ___ Fe + ___ 2 AgNO3 ___ Fe(NO3)2 + ___ 2 Ag<br />

Fe1<br />

Ag1x2=2<br />

N1x=2=2<br />

O3x2=6<br />

Fe1<br />

Ag1x2=2<br />

N2<br />

O6<br />

Pg94

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