How many atoms of oxygen are in 3.52 moles of calcium nitrate?   Select one: a. 8.48 x 10^24 atoms O b. 1.27 x 10^25 atoms O c. 1.91 x 10^25 atoms O d. none of these e. 4.24 x 10^24 atoms O f. 6.36 x 10^24 atoms O g. 2.12 x 10^24 atoms O h. 6.02 x 10^23 atoms O

Q: Determine the mass, in grams, of 0.800 moles of Pb (1 mol of Pb has a mass of 207.2 g).

A: Given : Moles of Pb = 0.800 mol And mass of 1 mole of Pb = 207.2 g

Q: According to the periodic table of elements, see Appendix C, the molar mass of copper is…

A: 1 mole = 6.022×1023 [ Avogadro's number ] The mass of one mole of atoms of an element is called…

Q: A container has 5.80 x 1023 molecules (aka atoms) of bromine gas. Calculate the mass (in g) of…

A: Bromine gas = Br2 Molar mass of Diatomic  Br2 gas = 159.808 g/mol 6.022 x 1023 molecules mass =…

Q: 1. How many moles of Ca are there in a sample that contains 7.63x10²² calcium atoms? moles 2. How…

A:

Q: Part 1: Molar Mass. Find the molar mass for the substances using the average atomic mass from the…

A: Note: Since you have posted a question with multiple independent subparts, we will solve first part…

Q: How many hydrogen atoms are in 0.050 moles of C3H8O3? О а. 3.0 x 1022 hydrogen atoms O b. 6.6 x…

A: Option (e) is correct answer.

Q: Example How many molecules of O, are present in 6.25 moles? (why is this a molecule and not an…

A:

Q: Q9. How many oxygen atoms are present in a 5.00 mole sample of Al2(C C. 2.71 x 1025 B. 2.71 x 1024…

A:

Q: 1. a.) How many moles of sodium in 0.46g of sodium? b.) How many atoms of sodium are in 0.46g of…

A: The number of moles (n) of a substance can be calculated as: n=Given massMolar mass······(1) One…

Q: Determine the mass in grams of 6.07 × 10²¹ atoms of chromium. (The mass of one mole of chromium is…

A:

Q: Two moles of (NH4)2Fe(SO4)2-6H2O contains moles of sulfur atoms. O a. 2 O b.4 O.1 O d. 6 O e. 8

A: The moles of NH42FeSO42.6H2O is = 2 moles The moles of sulfur atom is =?

Q: 1. How many moles are present in 24.0 grams of Sb,S,? a. 1.31x10 mol b. 1.56x10 mol c. 5.94x10 mol…

A: (1) Number of moles of Sb2S5 can be determined by using the formula given below as: Moles of…

Q: Part II- Moles 3) What is a mole? Describe the mole in terms of atoms, molecules and grams. DiscUss…

A: A mole is defined as 6.02214076 × 1023 of an atom, molecule, ion, or any other chemical unit. 1 mol…

Q: 23. How many oxygen atoms are in 1.50 mol of SO3? a. 7.71 x 1021 atoms b. 1.12 x 1022 atoms c. 3.01…

A: 1- First we will determine the moles of oxygen in SO3 : 1mol of SO3 have = 3mol of oxygen atom…

Q: hich of the following is closest to having exactly one mole of oxygen atoms?   a) 42 g HNO3 b) 32…

A: a. 42 g HNO3 1 mole HNO3 contains = 3 moles of oxygen atoms moles of HNO3 = given mass/molar mass =…

Q: : How many atoms of oxygen are in 3.52 moles of calcium nitrate? A. 1.91 x 10^25 atoms O B. 2.12 x…

A: E. 1.27×1025 atoms of Oxygen Given that,  Moles of Ca(NO3)2   = 3.52 mol Moles of Oxygen in 3.52 mol…

Q: 3.03 pts ç uousan What is the molecular formula of a compound if its molar mass is 86.0 g/mol and…

A:

Q: 2.43 g sample of MgSO4 hydrate (MgSO4 · x H2O) is heated and 1.19 g of anhydrous MgSO4 remains.…

A:

Q: 4. Determine the number of molecules of compounds or atoms for the following. 15.8 mol H2O 9.51 b.…

A: 1 mole of a substance contain 6.022×1023 molecules.

Q: Calculate the number of nitrogen atoms in a 70.0 g sample of dinitrogen tetroxide (N,0.).

A: Given :- mass of N2O4 = 70.0 g  To calculate :- number of nitrogen atoms

Q: Do these on paper. Show your work. Cross of science. Take a pic. Submit A. 18.45 mol ZNCI, =, g…

A: The mole is the unit of measurement for amount of substance in the International System of Units.…

Q: How many moles of K are there in a sample of K that contains 4.79×1024 atoms?

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: How many atoms are in 5.00 moles of O? 3.01 x 1024 atoms 2. 4.52 x 1024 atoms 3. 1.51 x 1024atoms 4…

A:

Q: O A. 9.3 moles O B. 42 moles OC. 56 moles O D. none of these O E. 14 moles OF. 19 moles O G. 84…

A: From balanced reaction , 1 mol Co3(PO4)2 required = 2 mol Na3PO4  14 moles Co3(PO4)2 required = 2 ×…

Q: Determine the mass, in grams, of 0.330 moles of Pb (1 mol of Pb has a mass of 207.2 g).

A: The given moles of Pb can be converted to mass by using the formula given below as; Mass = Moles ×…

Q: m ni un f. a 65.2 g sample of à compoulnu 11. A substance whose formula is A20 (A is a mystery…

A: Since you have asked multiple question, we will solve the first question for you.If you want any…

Q: How many moles of fluorine are present in 11.77 g of mercury(II) fluoride? O a. 4.933 101 moles O b.…

A: 1) d  2) MgCr2O7

Q: A sample of sodium contains 1.8 x1024 atoms. How many moles of sodium is this? Show Your Work O 1.1…

A:

Q: There are several common counting units: 1 dozen=121 dozen=12, 1 score=201 score=20, 1 ream=5001…

A: Assume that the piece of jewellery contains 8.45 x 1022 atoms of silver in it.

Q: The atomic mass of chromium is 51.996 amu. How many moles of Cr are there in a 5.44 g sample of…

A: The atomic mass of Chromium is 51.996 amu  1 amu = 1 g/mol  Therefore, 51.996 amu = 51.996 g/mol…

Q: Determine the mass in grams of 4.38 × 10²¹ atoms of chromium. (The mass of one mole of chromium is…

A:

Q: Glycine is an amino acid with the formula C2H5NO2. Determine the number of moles of carbon in 81.39…

A: By using the mole concept we can calculate the number of moles carbon in C2H5NO2

Q: Which of the following contains the largest number of molecules: 6.00 g CH, 9.00 g H,0, 11.0 g C,H,…

A: To determine largest number of molecules first calculate the number of moles.

Q: How many moles of Pb are in 4.71 x 1021 Pb atoms? O 2.84 x 1045 6.022 x 1023 207.2 none of the above…

A:

Q: Determine the number of atoms in 35.0 grams of calcium, Ca. (The mass of one mole of calcium is…

A: 1 mole of a substance contain Avogadro's number of atoms . 1 mole of substance = gram atomic mass…

Q: 13. The molar mass of an element is numerically equivalent to what? a. 1 amu c. 1 mole d. its atomic…

A:

Q: Determine the mass, in grams, of 0.670 moles of Pb (1 mol of Pb has a mass of 207.2 g).

A: A chemical reaction is symbolic representation of the conversion of substances to new substances. In…

Q: 3. The average atomic mass of an atom is expressed in c. g/mol a. grams b. amu d. moles 4. Which…

A: Choose the correct option of the following --

Q: How many moles of calcium atoms do you have if you have 8.20 * 10 ^ 21 atoms of calcium. (The mass…

A: In 1 Mole of any substance, we have 6.023*1023 atoms of that substance.

Q: 1. How many ATOMS of silicon are present in 2.01 moles of silicon dioxide ? atoms of silicon. 2. How…

A: 1) Given data,  Moles of silicon dioxide (SiO2) = 2.01 mol

Q: Two moles of (NH4)2Fe(SO4)2-6H20 contains O a. 8 O b.4 moles of sulfur atoms. O d. 6 O e. 2

A:

Q: a) Calculate the number of moles in 3.3 g of sodium.  b) Calculate the number of atoms of sodium in…

A: (a) Number of moles in 3.3 g of sodium can be calculated as:        Moles of sodium=Given mass of…

Q: Has the greatest number of atoms a) 4.0 mol Nh3 b) 6.0 moles CÓ

A: One mole consists of 6.022×1023 atoms. Thus,more the number of moles,more will be the number of…

Q: following questiðns. Substance Sulfur Mole Particle Molar mass Mass 5.3 g 1.8 g 11.0 g 7.8 g…

A:

Q: Calculate mass of .555 moles of magnesium fluoride

A: This question is based on the mole concept. Molar mass of any compound is equal to the mass of the 1…

Q: 16) Determine the number of atoms in 48.3 g sample of zine (65.38g Zn= Imole Zn

A:

Q: Complete the table:   Element Moles Number of Atoms Ne 0.534 _____ Ar _____ 3.11×1024 Xe 1.82…

A: A table of incomplete data, which is to be completed. No.of atoms of Ne = No.of moles * Avogadro…

Q: What is the molar mass of the rocket propellant, CIF3? Remember to round your answer to the tenths…

A: To find the molar mass of compound , we have to take sum of all the masses of different elements…

Q: Determine the mass in grams of 0.590 moles of Pb (1 mol of Pb has a mass of 207.2 g)

A: Given: moles of Pb = 0.590 mol molar mass of Pb = 207.2 g/mol