Fluorine is so reactive that it forms compounds with
Chapter 3, Problem 103P(choose chapter or problem)
Problem 103PFluorine is so reactive that it forms compounds with materials inert to other treatments.
(a) When 0.327 g of platinum is heated in fluorine, 0.519 g of a dark red, volatile solid forms. What is its empirical formula?
(b) When 0.265 g of this red solid reacts with excess xenon gas, 0.378 g of an orange-yellow solid forms. What is the empirical formula of this compound, the first to contain a noble gas?
(c) Fluorides of xenon can be formed by direct reaction of the elements at high pressure and temperature. Under conditions that produce only the tetra- and hexafluorides, 1.85×10-4 mol of xenon reacted with 5.00×10-4 mol of fluorine, and 9.00×10-6mol of xenon was found in excess. What are the mass percents of each xenon fluoride in the product mixture?
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