How many silver atoms are there in 3.72 g of silver? Express your answer using three significant figures. ▸ View Available Hint(s) 195] ΑΣΦ N= Submit ? atoms Ag

Q: .........grams of zinc arsenite contains 4.5 x 1024 atoms of arsenic.

A:

Q: What is the mass percentage of each element in the compound Al2 O3? Enter the percent mass of…

A: Al - 53%O - 47%

Q: How many miles of gold atoms do 3.45 x 10^24 gold atoms constitute

A: This problem can be solved by knowing that one mole comprises of 6.022×1023 atoms.…

Q: in the star wars series, the death star is a spherical space station and weapon with a diameter of…

A: The diameter of death star is 99 miles. The diameter of solid iron sphere is 6.23 times larger than…

Q: Calculate the atomic weight of silicon, Si27.977, from the following data and express your answer to…

A: Given question related to calculation of atomic mass of element from percent abundance of isotopes.…

Q: Consider the following made-up compound: (DJ)3Q2 Determine the number of moles of element Q in the…

A: Given ,Fake Periodic table.Compound : Mass of = 0.575 gObjective : Determine moles of Q in

Q: What quantity in moles of silver atoms do you have if you have 3.94 * 1021 atoms of silver. (The…

A: The given question is related to stoichiometry. In the given question, it has been asked to…

Q: Determine the number of atoms in 39.0 grams of calcium, Ca. (The mass of one mole of calcium is…

A: Mass of calcium = 39.0 grams Mass of 1 mol of calcium = 40.08 g. Number of atoms = ?

Q: A pure silver ring contains 4.55×1022 silver atoms. How many moles of silver atoms does it contain

A: A mole of a substance is equal to as many entities (atoms , molecules and ion ) as there are number…

Q: If 5.180 g of a pure element contains 4.909×1022 atoms, what is the element? The element is: (Enter…

A: 1 mole = 6.022 x 1023 entitiesMass of 1 mole = molar mass

Q: None

A: Step 1: Calculation of the molar mass of compound Given,molar mass of X = 5.09 g/mol molar mass of Z…

Q: If a sample contained 9.65 x 1023 atoms of iodine, how many grams would this be? Round to one…

A:

Q: There are 1.8 x 1024 atoms of chlorine in a sample of magnesium chlorate, Mg(CIO3)2. What mass of Cl…

A: Given: Atoms of chlorine in the sample = 1.8×1024 Molar mass of Cl = 35.5 g/mol

Q: 1. Use the following table of data to calculate the average atomic mass of an unknown element, X:…

A:

Q: Determine the number of atoms in 33.0 grams of calcium, Ca. (The mass of one mole of calcium is…

A: Since, Moles is the ratio of mass to the molar mass of that atom or molecules. Also, Number of atoms…

Q: 1 mole of 63Cu atoms has a mass of about 63 grams. Explain why the number below Cu on the periodic…

A:

Q: Vitamin A has the molecular formula C20H300. How many oxygen atoms are in 6.02 x 1023 molecules vit…

A: we have to calculate the number of atom of O

Q: Be sure to answer all parts. What is the mass, in g, of 1.28 x 10 silver (Ag) atoms? Enter your…

A: Given, atoms of Ag = 1.28 x 1011 atoms Molar mass of Ag = 107.87 g/mol

Q: An atom consists of two isotopes, the first with an atomic mass of 15.8967 amu and the second with…

A: Atomic mass of first Isotope = 15.8967 amu Atomic mass of second Isotope = 16.8245 amu Average mass…

Q: [The volume of a sphere is (4/3)πr3 and the density of copper is 8.96 g/cm3.] A pure copper sphere…

A: Number of atoms in a mole of any substance is equal to Avogadro's number.

Q: Calculate the mass in grams of each of the following and provide the answer in scientific notation…

A: To solve this problem we will use the formula  1 mol of any substance = 6.022 × 1023 atoms

Q: A sample of Mg(NO3)2 has a mass of 71.5 grams. how many atoms are in this sample? (molar mass is…

A: Mg(NO3)2 has a mass of 71.5 grams.  Molar mass of Mg(NO3)2 = 148.3 g/mol Formula used: Number of…

Q: Suppose instead of burning Mg, pure carbon weighing 3.62, 5.91, and 7.07 g were burned in an excess…

A: The Law of Definite proportion state that The same mass ratio is possessed by the elemental…

Q: If 6.045 g of a pure element contains 3.991x1022 atoms, what is the element? The element is: (Enter…

A:

Q: An unknown element is a mixture of isotopes ¹²⁰X and ¹²²X. The average atomic mass of X is 121.47…

A: For an element that exists as a number of isotopes, its atomic mass is calculated by taking an…

Q: How many atoms are in each of the following samples that contain naturally occurring iodine atoms?…

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

Q: How many moles of N are there in a sample of N that contains 2.75×1024 atoms?

A:

Q: Determine the mass (in grams) of aluminum present in 1.07 grams of Al2S3? Do not type units into…

A:

Q: Question 10 of 31 Determine the mass in grams of 3.00 x 1021 atoms of arsenic. (The mass of one mole…

A:

Q: A pure copper sphere has a radius of 0.935 in. How many copper atoms does it contain? [The volume of…

A: First convert the given radius in inch to cm. 1 inch = 2.54 cm, then

Q: A pure copper sphere has a radius 0.927 in . How many copper atoms does it contain? [The volume of a…

A: The term density is defined as the ratio of mass and volume of the given substance. It can also be…

Q: Part A 13 How many moles of atoms are in 6.00 g of C? Express your answer numerically in moles. •…

A: Given : Mass of 13C = 6.00 g

Q: 9. How many hydrogen atoms are there in 500.0 L of water? (dH.0 = 1.00 g mL) %3D A: 3.34 x 1025 28

A: Given, the volume of water V =500.0 L =500000 mLdensity of water d =1.00 g .mL-1we are asked to…

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: How many daL of bromine atoms are in 90 x 1022bromine atoms?  (The density of bromine is 3.1 g/cm3)…

A: To get the answer of this question first we calculate the mass of Br atoms given in the question…

Q: sample of eugenol contains 9.36x10^23 Hydrogen atoms. How many molecules of eugenol are in the…

A: Given : no.of H atoms = 9.36 × 1023 atoms  To calculate :- no.of eugenol molecules in sample

Q: mass

A: 0.415 mol sample of MnX2O7 has a mass of 85.14 g.  What is X?

Q: determine the number of grams of iodine gas in a 3.0 L container at 300K and a pressure of 1.5 ATM

A:

Q: Sucrose (table sugar) is comprised of molecules having the formula C12H22O11. How many hydrogen…

A: Atomic mass of C = 12.01 g/mol Atomic mass of H = 1.01 g/mol Atomic mass of O = 16.00 g/mol…

Q: How many grams of rubidium are in 3.49 x 1024 atoms of rubidium? Enter your answer in decimal form…

A: 1 mole atoms = 6.023 * 1023 atoms. molar mass of Rb = 85.4678 gmole  and mass of Rb = mole * molar…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.