How many grams are in 9.0 lead oxide

Answer 1

Grams in 9.0 WHAT of lead oxide? I'll assume you mean how many grams are in 9.0 moles of lead oxide.

Lead(II) oxide = PbO

molar mass = 223 g/mol

9.0 moles PbO x 223 g/mol = 2007 grams = 2.0x10³ grams