Quiz: Ch. 4 Challenge Homework x + re.com/courses/30456/quizzes/318602/take 56000000 Question 3 A sample of a mineral wa

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Quiz Ch 4 Challenge Homework X Re Com Courses 30456 Quizzes 318602 Take 56000000 Question 3 A Sample Of A Mineral Wa 1 (42.02 KiB) Viewed 19 times

Quiz: Ch. 4 Challenge Homework x + re.com/courses/30456/quizzes/318602/take 56000000 Question 3 A sample of a mineral was found to be 12% carbon by mass, with the remaining mass being a combination of calcium and oxygen Given the sample has the same number of mois of carbon and calcium. What is the mass % of oxygen in the unknown sample? Question 4 How many mis of dichloromethane (CH₂Cl₂) (d-1.33g/ml) would have the same number of mols of chlorine as 1.5mL of chloroform (d=1.49g/ml)? Question 5 1 pts 1 pts 1 pts