Thermal decomposition of one mole Pb(NO₃)₂ leaves residue weighing

A. 207 g

B. 223 g

✓

C. 239 g

D. 446 g

📝 Explanation

One mole Pb(NO₃)₂ forms one mole PbO whose molar mass is 223 g.

📖 Additional Information

207 g
223 g
239 g
446 g

One mole Pb(NO₃)₂ forms one mole PbO whose molar mass is 223 g.

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