1.

What volume of 3 molar HNO_3is needed to oxidize 8g of Fe^(2+)"to " Fe^(+3) ? HNO_3 , gets converted to NO

Answer»

8 ML
16 mL
32 mL
64 mL

SOLUTION :eq. `HNO_3 =Fe^(2+)`
`V_1N_1= V_1N_1`
`V_1M_1n_1 = W/Exx1000`
`V xx 3 xx 3 = (8)/((56)/1) xx1000`
`V=(Fxx1000)/(56xx9)=15.8`ml ( `~~16` ml)
= 15.8 ml


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