One Form of Asbestos Called Chrysotile Is Considered to Be

question 17

Multiple Choice

One form of asbestos called chrysotile is considered to be a human carcinogen. Mass analysis reveals that it has the empirical formula Mg₃Si₂H₄O₉. If the molar mass is 277 g/mol, which molecular formula is correct?

• A) MgSiO₄(OH)₂
• B) Mg₂Si₄O₈(OH)₄
• C) Mg₃Si₂O₅(OH)₄
• D) Mg₆Si₄O₁₀(OH)₈
• E) Mg₉Si₆O₁₅(OH)₁₂

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