Question

a sample of compound of xenon and fluorine contains mole ules of a single type XeFn...

a sample of compound of xenon and fluorine contains mole ules of a single type XeFn where n is a whole number. if 9.03*10 20 of these XeFn molecules have a mass of 0.311 g what is the value of n?

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
a given sample of a xenon fluoride compound contains a molecules of type XeF(sub)n, where n...
a given sample of a xenon fluoride compound contains a molecules of type XeF(sub)n, where n is a whole number Given that 9.03X10 ^20 molecules of XeFn weighs 0.311g, determine that the value of n in the formula
(3.25) Calculate the molar mass of a compound if 0.372 mole of it has a mass...
(3.25) Calculate the molar mass of a compound if 0.372 mole of it has a mass of 152 g. (Hint: if 0.372 mole is to 152 g, how many grams will 1 mole have if you set this equation by ratio & proportion) Caffeine is found in your coffee and your tea. Its molecular formula is C8H10N4O2. (a) Calculate the molar mass of caffeine. (b) Calculate the percent composition by mass of C, H, N, and O in caffeine. (c)...
A compound contains only carbon, hydrogen, and oxygen. Combustion of 65.76 g of the compound yields...
A compound contains only carbon, hydrogen, and oxygen. Combustion of 65.76 g of the compound yields 96.38 g of CO2 and 39.46 g of H2O. The molar mass of the compound is 90.078 g/mol. 1. Calculate the grams of carbon (C) in 65.76 g of the compound: 2. Calculate the grams of hydrogen (H) in 65.76 g of the compound. 3. Calculate the grams of oxygen (O) in 65.76 g of the compound. Based on your previous answers, calculate 1....
A compound contains only carbon, hydrogen, and oxygen. Combustion of 91.88 g of the compound yields...
A compound contains only carbon, hydrogen, and oxygen. Combustion of 91.88 g of the compound yields 134.7 g of CO2 and 55.13 g of H2O. The molar mass of the compound is 180.156 g/mol. 1. Calculate the grams of carbon (C) in 91.88 g of the compound: grams 2. Calculate the grams of hydrogen (H) in 91.88 g of the compound. grams 3. Calculate the grams of oxygen (O) in 91.88 g of the compound. grams 1. the moles of...
Molar Mass (g/mol) N 14.007 H 1.0080 A pure sample of a compound that contains phosphorus...
Molar Mass (g/mol) N 14.007 H 1.0080 A pure sample of a compound that contains phosphorus and oxygen weighs 1.164 g. If the sample is found to contain 0.508 g of phosphorus , what is the empirical formula of the compound? Molar Mass (g/mol) P 30.974 O 15.999 A pure sample of a compound that contains nitrogen and hydrogen weighs 1.555 g. If the sample is found to contain 1.359 g of nitrogen, what is the empirical formula of the...
1/ 0.987 mol sample of xenon gas at a temperature of 19.0 °C is found to...
1/ 0.987 mol sample of xenon gas at a temperature of 19.0 °C is found to occupy a volume of 28.2 liters. The pressure of this gas sample is .... mm Hg. 2/ A sample of nitrogen gas collected at a pressure of 477 mm Hg and a temperature of 278 K has a mass of 20.0 grams. The volume of the sample is ...... L. 3/ A 4.97 gram sample of carbon dioxide gas has a volume of 856...
A compound contains only nitrogen and oxygen and is 30.5% nitrogen by mass. A gaseous sample...
A compound contains only nitrogen and oxygen and is 30.5% nitrogen by mass. A gaseous sample of the compound has a density of 3.70 g/L at 954 torr and 107°C. What is the molecular formula of the compound? (Omit states-of-matter from your answer.)
A sample of a gas mixture contains the following quantities of three gases. compound mass CO...
A sample of a gas mixture contains the following quantities of three gases. compound mass CO 3.13 g CO2 3.87 g SF6 2.01 g The sample has: volume = 2.50 L temperature = 16.6 °C What is the partial pressure for each gas, in mmHg? What is the total pressure in the flask?
1. The 69.5-g sample of the compound X3O4 contains 19.2 g of oxygen atoms. What is...
1. The 69.5-g sample of the compound X3O4 contains 19.2 g of oxygen atoms. What is the molar mass of element X? ? g/mol 2. Calculate the percent composition by mass of each element in NaClO4? % Na = ? % % Cl = ? % % O = ? % 3. How many grams of Br are in 505 g of CaBr2? ? g
41) Combustion analysis of a 0.675 g sample of an unknown compound that contains only carbon,...
41) Combustion analysis of a 0.675 g sample of an unknown compound that contains only carbon, hydrogen, and oxygen gives 0.627 g of CO2 and 1.534 g of H2O. The molecular mass of the unknown is Select one: A. C6H12O2. B. C3H6O. C. C9H18O3. D. unable to be determined from this data. 42) How many milliliters of 0.550 M hydriodic acid are needed to react with 25.00 mL of 0.217 M CsOH? HI(aq) + CsOH(aq) → CsI(aq) + H2O(l) Select...