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SCIN131 Week 02 Quiz
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Question 11 of 25 4.0/ 4.0 Points Phosphorus has the molecular formula P4, and sulfur has the molecular formula S8. How many grams of phosphorus contain the same number of molecules as 7.88 g of sulfur? • A. 7.88 g • B. None of these. • C. 3.80 g • D. 7.61 g • E. 0.263 g Feedback:Great work! Topic discussed in Chapter 2 Question 12 of 250.0/ 4.0 Points A given sample of a xenon fluoride compound contains molecules of a single type XeFn, where n is some whole number. Given that 9.09 x 1020 molecules of XeFn weigh 0.370 g, calculate n. • A. 2 • B. 6 • C. 3 • D. 1 • E. 4
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