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- Calculate the mass of forsterite (Mg, Sio,) that contains a million (1.00 × 10°) oxygen atoms. . Be sure your answer has a unit symbol if necessary, and round it to 3 significant digits. x10 ?What is the maximum mass of pure lead that could be extracted from 195. g of galena, a lead ore with the chemical formula PbS? Be sure your answer has a unit symbol, if necessary, and is rounded to 3 significant digits. x10 ?Calculate the mass of diphosphorus pentoxide (P,0,) that contains a trillion (1.00 × 10“) phosphorus atoms. Be sure your answer has a unit symbol if necessary, and round it to 3 significant digits.
- Calculate the mass of iron(III) oxide (Fe,03) that contains a trillion (1.00 x 102) oxygen atoms. Be sure your answer has a unit symbol if necessary, and round it to 3 significant digits.Calculate the mass of tetraborane (B,H10) that contains a million (1.000 x 10°) hydrogen atoms. Be sure your answer has a unit symbol if necessary, and round it to 4 significant digits.Calculate the mass of diphosphorus pentoxide (P,0,) that contains a million (1.000 x 10°) phosphorus atoms. Be sure your answer has a unit symbol if necessary, and round it to 4 significant digits. x10
- Write the following metals using Roman numeral notation. Then, explain why the Roman numeral differs for these metals. . . Co²+ Fe₂O3 Answer in complete sentences. H Normal Enter your answer here √x C 2 Ix BIUS X 300 worCHEMICAL REACTIONS Interconverting number of atoms and mass of compound Calculate the mass of vanadium(V) oxide (V,0,) that contains a million (1.0 × 10°) vanadium atoms. Be sure your answer has a unit symbol if necessary, and round it to 2 significant digits. x10 ?Calculate the number of oxygen atoms in a 50.0 g sample of iron(III) oxide (Fe,0,). Be sure your answer has a unit symbol if necessary, and round it to 3 significant digits. x10
- Calculate the mass of dinitrogen tetroxide (N,0.) that contains a million (1.0 x 10°) nitrogen atoms. Be sure your answer has a unit symbol if necessary, and round it to 2 significant digits.Calculate the number of hydrogen atoms in a 100.0g sample of ammonia(NH3). Be sure your answer has a unit symbol if necessary, and round it to 4 significant digits.Calculate the mass of ammonia (NH,) that contains a trillion (1.000 × 1012) hydrogen atoms. Be sure your answer has a unit symbol if necessary, and round it to 4 significant digits.