Please answer this two question. D Try Again Your answer is incorrect. C3 S: Your answer

Please answer this two question.

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D Try Again Your answer is incorrect. • C3 S₂: Your answer is incorrect. • BP: The name of this compound is not boron phosphide . Be sure you know the correct names of all elements in this compound. Check the Periodic Table if necessary. Fill in the systematic names of the following chemical compounds. Note: for compounds containing hydrogen, you may give the common name instead. molecular formula BI3 C3 S2 BP CS2 H₂O name of compound boron triiodide carbon subsulfide boron phosphide carbon disulfide water What is the maximum mass of pure lead that could be extracted from 2.5 kg of galena, a lead ore with the chemical formula PbS? Be sure your answer has a unit symbol, if necessary, and is rounded to 2 significant digits. m D Try Again Your answer is incorrect. • C3 S₂: Your answer is incorrect. • BP: The name of this compound is not boron phosphide . Be sure you know the correct names of all elements in this compound. Check the Periodic Table if necessary. Fill in the systematic names of the following chemical compounds. Note: for compounds containing hydrogen, you may give the common name instead. molecular formula BI3 C3 S2 BP CS2 H₂O name of compound boron triiodide carbon subsulfide boron phosphide carbon disulfide water What is the maximum mass of pure lead that could be extracted from 2.5 kg of galena, a lead ore with the chemical formula PbS? Be sure your answer has a unit symbol, if necessary, and is rounded to 2 significant digits. m