Answered: One mole of H2 A contains 6.0 x…

One mole of H2 A contains 6.0 x 1023 H atoms. B contains 6.0 x 1023 H2 molecules. C contains 1 g of H2. D is equivalent to 6.02 x 1023 g of H2. E None of the above.

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter3: Molecules, Moles, And Chemical Equations

Section: Chapter Questions

Problem 3.79PAE: 3.79 Consider two samples. Sample A contains 2 moles of N2 and 1 mole of O2, and Sample B contains 1...

See similar textbooks

Related questions

Q: How many moles of magnesium oxide are produced from 4.34x10^24 particles of magnesium? (round to the…

A: Number of moles of Magnesium

Q: fragrance manufacturers to provide a rich and elegant musky essence to many perfumes. Cosmone has…

A: Since you have posted a question with multiple sub- parts, we will solve first three sub- parts for…

Q: Calculate the empirical formula of a compound which contains 47.3 percent C, 10.6 percent H, and…

A: The unknown compound contains 47.3% C, 10.6% H, and 42.1% O by weight We know that --- the atomic…

Q: The number of moles of S in 2.8 x 1024 atoms of S is: 1.0 mole of S atoms 4.6 moles of S atoms 3.1…

Q: 0.4 moles of calcium carbonate contains how many carbon atoms? A. 1.2 x 1023 B. 4.8 x…

A: The formula of calcium carbonate = CaCO3 Molecular weight of CaCO3 is 100 gm/mol 1 mole CaCO3 =…

Q: Consider the following reaction: 4FeS2(s) + 11O2(g) → 2Fe2O3(s) + 8SO2(g) How many grams of Fe2O3(s)…

Q: Ethanol, C2H5OH, has a density of 0.785 g/mL and a molar mass of 46.07 g/mol. How many moles of…

A: Solution : Given, Density of ethanol = 0.785g/mL means 0.785 g ethanol present in 1mL of ethanol…

Q: The number of hydrogen atoms in 0.050 mol of C3H3O3 is A) 3.0 x 1022 H atoms. D) 4.8 x 1023 H atoms.…

A: Interpretation: The number of hydrogen atoms in 0.050 mol of C3H8O3 is to be determined.

Q: How many moles of mercury are present in 102 g of mercury(1) oxide? a. 2.44 moles O b. 4.89 101…

A: 417.18 g of mercury oxide = 1 mole 1 g of mercury oxide= 1/417.18 1 g of mercury oxide= 1/417.18…

Q: Analysis of a compound containing only C and Br indicates that it contains 7.0% by mass of carbon…

A: Given carbon is found 7% by mass, so we can assume that in 100g mass carbon have 7g and bromine…

Q: How many grams of NBR3 can be made from 2.22 x 10-2 moles of Br, ? N2 + 3 Br2 2 NB13 + 44.0 kJ The…

Q: How many moles of nitrogen dioxide are present in 3.36 x 10^21 molecules of this compound? _____…

A: Number of moles of nitrogen dioxide present in can be solved by using this formula, substituting…

Q: 10. Make the following conversions: (a) 28.4 g S to moles S (b) 2.50 kg NaCl to moles NaCl (c) 42.2…

A: (a) Mass of S = 28.4 g Molar mass of S = 32.06 g/mol Moles of S = mass of Smolar mass of S = 28.4…

Q: How many atoms are in 1.50 moles of helium (He)? a 2.50 x 1022 atoms He b 9.03 x 1023 He atoms…

Q: How many grams of sodium carbonate contain 1.773 x 10 17 carbon atoms? (A) 6.066 x 10-5 B 1.011 x…

Q: Given a sample containing 6.02 x 10^25 molecules of nitrobenzene (C_6H_5NO_2). a) How many moles of…

A: Since, 1 mole = 6.02×1023atoms/molecules/ions Molar mass represents the mass of one mole of the…

Q: How many oxygen atoms are present in 3,0 x 1023 molecules of Ca(NO3)2? A. 6.0 x 1023 B. 1.5…

A: 1 molecule of Ca(NO3)2 have 6 oxygen atoms as NO3 have 3 oxygens and (NO3)2 will have 3 x 2 = 6…

Q: A 1.000 g sample of an unknown compound containing only carbon, hydrogen, and oxygen was analyzed…

A: Given: Compound contains only C, H and O. Mass of compound combusted = 1.000 g. Mass of CO2 produced…

Q: Which of the following contains the most moles of hydrogen atoms? (A) 15 moles of H2O (B) 5…

A: We can calculate number of moles on hydrogen atoms by multiplying number of hydrogen atoms in…

Q: Which would contain 9.03 × 1023 oxygen atoms? Avogadro Constant = 6.02 × 1023. 3.0 mol H2O 0.75…

A: This problem can be solved by knowing that one mole of substance consists of 6.022×1023 particles.

Q: Calculate the number of moles of O in each? a.) 2.3 mol H2O b.) 1.2 mol H2O2 c.) 0.9 mol NaNO3 d.)…

Q: 20. How many grams are in 1.18 x 1021 HF molecules? H = 1.008 g/mole and F=19.00 g/mole 1.01 g 0.992…

Q: 125 grams of sugar (C12H22011) is _ mole? Select an answer and submit. For keyboard navigation, use…

A: The given data is as follows: The mass of the sugar = 125 g The moles of sugar = ? To calculate the…

Q: Which sample represents the greatest number of moles? 10 Water (A Compound) Water medecdes havea…

A: The moles of a substance can be calculated as follows: Moles of substance=Mass of substanceMolar…

Q: Flask A contains 1.00L of NH3 Flask 2 contains 1.00L of NO2 and flask 3 contains 1.00L of N2 which…

Q: How many moles of nitrogen atoms are present in a sample that contains 4.73 moles of dinitrogen…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: In the following chemical reaction, determine the number of moles of NH3 from 2.50 moles of H2.…

A: Given reaction, Moles of H2 is 2.50.

Q: Ethanol has a molecular formula of CH3CH2OH. a. What is the molar mass of ethanol? b. What is…

Q: Using the following eq CH3NH2 (g)+ O2 (g)→ CO2 (g)+ H2O(g)+ N2 (g) 4.0 x 104 mol CH3NH2 contains…

A: All calculations explained in Handwritten solution

Q: MOLES/MOLECULES T04/SO2 If a sample of B10H10Bra is found to contain 1.20 - 1019 B atoms how many…

Q: 4. Determine the number of molecules of compounds or atoms for the following. 15.8 mol H20 9.51 x10…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: How many moles are equal to 1.20 x 1024 atoms of sulfur (S)? Round to 2 decimal places. a 0.20 b…

Q: 2. CONVERT THE FOLLOWING INTO Moles (a) 20g of NaOH (b) 5g of Ca(OH), (c) 3L of Og (d) 2.5L of N,g

Q: 1. Which of the following is an example of an empirical formula? CH4 C6H1206 N306 C2H2 2. Which of…

A: Empirical formula It is the formula with simplest whole number ratio of atoms in a molecule.…

Q: Which of the following compounds contains the largest number of atoms?

A: 1 mol = 6.022 × 1023 atoms We can calculate moles of each atom in a mole of compound. For example…

Q: How many oxygen atoms are in 1.50 mol of SO3?

A: Mole is a unit of quantity of substance. One mol of a substance contains 6.022 x 1023 units of that…

Q: A mole of the water is: 12.0000 g H2O one H20 molecule O 6.02 x 1023 g H2O 6.02 × 1023 H20 molecules…

Q: 11. A compound was found to contain 59.9% C, 8.06% H, and 32.0% O by mass. What is the empirical…

A: Given the precentage composition by mass of carbon, hydrogen and oxygenin a compound.we are asked…

Q: many molecules are contained in each compound? a. 1.35 mol of carbon disulfide (CS2) b. 0.254 mol of…

A: Since you have asked multiple questions we are solving first question for you. For remaining…

Q: A) 3.90 g H2O mole (B) 6.44 g benzene, C6H6 mole (C) 32.00 g ethyl alcohol, C2H5OH mole (D)…

A: Molecular weight amount of any compound contains avogadro number of molecules andit is termed as 1…

Q: The sample is analyzed and found to contain three elements, C, H and O. A 2.147 g sample of the…

A: The given data: The mass of the sample = 2.147 g The mass of the CO2 (g) = 4.297 g The mass of H2O…

Q: How many molecules are there in 0.1 mole of water? a. 3.0 ×1023 b. 6.0 × 1022 c. 3.0 × 1021 d. 6.0…

A: Given, the number of moles of water =0.1 moleswe are asked to calculate the number of molecules of…

Q: Label the diagram to correctly convert 141.8g of Cl2 to moles of Cl2 : 71.9 g C2 : 141.8g Cl2 :: 1…

Q: A sample of C12H22011 contains 0.4662 moles of carbon atoms. How many moles of hydrogen atoms are in…

Q: 51 Caffeine Caffeine, found in coffee, tea, chocolate, cola beverages is a highly popular stimulant…

Q: *00 0.0 A 0.370-mol sample of a metal oxide (M2O3) weighs 55.4 g. How many moles of O are in the…

Q: A compound is found to contain 1.25g of Ge and 2.44g of Cl. What is the empirical formula of the…

Q: 39. Calculate the number of molecules present in each of the following samples. a. 4.75 mmol of…

A: We know that for 1 mole of any chemical compound/species,there are Avogadro's number of molecules…

Q: 1 mole H2 1 mole O2 32 g Oz 88H2 1 mole O2 2g H2 A

Q: a. How many moles are in 8.5x1022 atoms Xe? b. How many moles are in 7.4×10 atoms Cu? c. How many…

Question

One mole of H2

	A	contains 6.0 x 10²³ H atoms.
	B	contains 6.0 x 10²³ H₂ molecules.
	C	contains 1 g of H₂.
	D	is equivalent to 6.02 x 10²³ g of H₂.
	E	None of the above.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

3.79 Consider two samples. Sample A contains 2 moles of N2 and 1 mole of O2, and Sample B contains 1 mole of N2O5. (a) Which sample contains more molecules? (b) Which sample contains more oxygen atoms? (c) Which sample contains more nitrogen atoms?
A compound was analyzed and found to contain the following percentages of elements by mass: carbon, 79.89%; hydrogen, 20.11%. l type='a'> Determine the empirical formula of the compound. i>Which of the following could be a molar mass of the compound? 13.018 g/mol 16.042g/mol 28.052 g/mol 30.068 g/mol 104.23 g/rnol
Considering your answer to Exercise 79, which type of formula, empirical or molecular, can be obtained from elemental analysis that gives percent composition?
Consider the following diagram, where atom X is represented by a square and atom Y is represented by a circle. (a) Write the equation for the reaction represented by the diagram. (b) If each circle stands for a mole of Y and each square a mole of X, how many moles of X did one start with? How many moles of Y? (c) Using the same representation described in part (b), how many moles of product are formed? How many moles of X and Y are left unreacted?
What amount (moles) is represented by each of these samples? a. 150.0 g Fe2O3 b. 10.0 mg NO2 c. 1.5 1016 molecules of BF3
You have a 20.0-g sample of silver metal. You are given 10.0 g of another metal and told that tills sample contains twice the number of atoms as the sample of silver metal. Is this possible?
Using the average atomic masses given inside the front cover of this book, calculate the mass in grams of each of the following samples. l type='a'> 2.17 moles ot germanium, Ge 4.24 mmcl of Iead(II) chloride (1 mmol = 1/1000 moI) 0.0971 mole of ammonia, NH3 :math>4.26103moles of hexane, C6H14 i>1.71 moles of iodine monochloride, ICI
hat is the difference between the empirical and molecular for mulas of a compound? Can they ever be the same? Explain.
What mass of compound is present in 5.00 moles of each of the compounds in Exercise 52?