Be sure to answer all parts. What is the mass, in g, of 1.28 x 10 silver (Ag) atoms? Enter your answer in sciendific notation. x10 gAg

Q: A student started with a sample of Cu of 8.66 grams . After the sample was burned in air, the…

A: The mass of Cu sample = 8.66 grams The mass of sample of Oxide after burning the Cu  ( Cooper oxide…

Q: What is the average mass, in grams, of one Zna Multiple Choice O 1661 x 10 24 O 65.39 amu O 65.39 g…

A: Molar mass of Zn = 65.38 g/mol

Q: On earth, tin has 10 different stable isotopes. The heaviest, 124 Sn makes up 5.80% of naturally…

A: Given: 1)To determine the no.of atoms of 124Sn present in 27.3g of natural sample. 2) To calculate…

Q: 18. How many moles of gold atoms do 3.45 X 1044 gold atoms constitute?

A: We know that the number of atoms is given by below expression  number of atoms = moles X avogadro…

Q: The atomic weight of bromine is 79.904, yet no atom of bromine weighs 79.904 amu. Why is this true?

A: Given : The atomic weight of bromine is 79.904, yet no atom of bromine weighs 79.904 amu.

Q: What mass of ammonia gas (NH3) contains 2.81 ✕ 1024 hydrogen atoms?

A:

Q: The mass of a single platinum atom is 3.24×10-22 grams. How many platinum atoms would there be in…

A: The mass of an atom is the amount of matter present in the substance. The mass of an atom remains…

Q: p3, mass n03 %3D

A:

Q: A compound is composed of phosphorus and hydrogen. The mass ratio is 10.2 g of phosphorus to 1.00 g…

A:

Q: What is the mass of 3.91x1024 oxygen atoms? Select an answer and submit. For keyboard navigation,…

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

Q: . Suppose you have a sample of sodium weighing 14.50 g. What mass of potassium would you need to…

A: Atomic mass of sodium=23 Atomic mass of potassium=39 Number of mole=given mass/molar mass So,…

Q: Verify that the atomic weight of lithium is 6.94, given the following information: 6 Li, mass =…

A: Given,  Percent abundance of 6Li = 7.50% Mass of 6Li = 6.015121 amu Percent abundance of 7Li =…

Q: What is the mass of 1.6x10^21 argon atoms?

A: Molar mass of Argon is 39.95 g/mol i.e 1 mole of argon = 39.95 g of Argon Number of atoms of Argon…

Q: Using scanning tunneling microscopy, scientists at IBM wrote the initials of their company with 35…

A: 1 mole of xenon = 131.293 gm 1 mole of xenon = 6.022 × 1023 atoms. 6.022 × 1023 atoms of xenon have…

Q: How many hydrogen atoms are there in 8.75 g of C,H,NO,? Select one: a. 23 4.79x 10 b. 3.22x 1023 с.…

A: Given: Mass of C2H7NO2 = 8.75 g Molar mass of C2H7NO2 = 77.08 g/mol

Q: The natural isotopes of boron have masses 10.0129 and 11.0093 amu, with relative % abundance of 19.9…

A: Given: Mass of one isotope is 10.0129 amu. Mass of second isotope is 11.0093 amu. Relative %…

Q: What is the mass of a single fluorine molecule, F2?

A: The mass of a molecule is the mass of all the atoms present in the molecule in grams. In order to…

Q: Find the mass of 1 molecule of NO in gram. а. 4.98 х1023 b. 30 C. 4.98 x10-23 d. 15

A: According to mole concept, mass of Avogadro number (6.022 × 1023) of molecules is equal to the molar…

Q: A sample of Hg weighs 90.9 grams. Will a sample of Rb that contains the same number of atoms weigh…

A: The number of species atom will be expressed as the mathematical product species moles along with…

Q: The atomic masses of chlorine-35 (75.780%) and chlorine-37 (24.220%) are 34.969 amu and 36.966 amu,…

A: To calculate : average atomic mass of Cl

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: The chemical formula for the amino acid glycine is CHŞNO2. Which of the following statements about…

A: Which of the statement is false ?

Q: Calculate the mass of one bromine atom. a. 6.022 x 1023 g O b.4 812 x 1025g O c. 1.327 × 10-22 g O…

A: Atomic mass is defined as the quantity of matter that is present in an atom of element.

Q: 35 1. The atomic masses of 17CI (75.53%) 37 and 17CI (24.47%) were 34.968 amu and 36.956 amu,…

A:

Q: How many grams of potassium permanganate contain 5.48 x 1020 atoms of oxygen?

A: Given: Number of atoms of oxygen in KMnO4 sample = 5.48 × 1020 atoms.

Q: any atoms of cesium are in 10.1 grams ium phosphate? 1

A: Cesium phosphate Cs3PO4 molar mass = 494 g/mol Moles of Cs3PO4=mass/molar mass    = 10.1/494 =…

Q: 1. РCl, 2. OF2 3. PCl,*

A: The question is based on the concept of chemical bonding.   by using VSEPR theory , we have to…

Q: How many copper atoms are present in a 2017 penny with mass 3.10 g? Modern pennies are 97.5% Zn and…

A: we have a penny of mass 3.10 gram. and it's also mentioned that in  a modern penny the percentage of…

Q: A one carat diamond which is made of the element carbon, weighs 0.200 grams. The average mass of a…

A: Given,1 u = 1.6605 ×10-24 g

Q: Atoms are the smallest spherical particles that make up any matter. If 6.0x1023 atoms of aluminum…

A: Step : 1            Calculate the mass of 1 atom of aluminium in picograms.

Q: The mass of a single copper atom is 1.06×10-22 grams. How many copper atoms would there be in 177…

A: The mass of a single copper atom is 1.06×10-22 grams. How many copper atoms would there be in 177…

Q: A sample of Ni weighs 73.6 grams. Will a sample of Ag that contains the same number of atoms weigh…

A:

Q: How many electrons are necessary to produce a charge of -1.2 C? Express your answer using two…

A: Given that , The charge produced = -1.2 C

Q: How many protons and electrons are there in a neutral atom of each of the following elements? Part A…

A: The atomic number of an element tells about the number of electrons and protons present in an…

Q: (1. On the second floor of Kent Laboratory a chemistry student in 111B finds that 15.20 g of…

A: Given information:Mass of nitrogen = 15.20 gMass of oxygen for different compounds = 17.37 g, 34.74…

Q: Upon decomposition, one sample of magnesium fluoride produced 2.55 kg of magnesium and 3.99 kg of…

A: Given information, Magnesium is produced from the first sample is 2.55 kg. Fluorine is produced from…

Q: How many silver atoms are there in 5.71 moles of silver?

A:

Q: How many atoms (total) are present in a 3.45 x10-2 m3 sample of Al2O3, which has a density of 3.95…

A:

Q: Upon decomposition, one sample of magnesium fluoride produced 1.65 kg of magnesium and 2.58 kg of…

A:

Q: A sample of Ti weighs 99.7 grams. Will a sample of Ne that contains the same number of atoms weigh…

A: In mol of any atom contains 6.023 × 1023 number of atoms. Number of atoms = weight in gatomic weight…

Q: 1. Ammonia can be decomposed to give nitrogen and hydrogen in a mass ratio of 4.67:1.00. If the…

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

Q: 2. What number of gold atoms are in one mole of gold atoms? A 196.97 ) B 6.022 x 10²3 C 79 ) D 1.66…

A: Given,  The number of gold atoms in one mole of gold atoms is:

Q: Consider a 5.00 kg bag of sugar, C12H22O11, and answer the following question. Be sure to show your…

A: Given:  Mass of sugar =5.00 Kg To Calculate: Mass of H atom contained in the sugar

Q: How many atoms are in the sugar in this cup?

A: Given :- mass of sucrose = 180 g  To calculate :- number of atoms in sucrose

Q: Calculate the mass, in kg, of sample. 1.22x10^27 manganese atoms

A:

Q: H,O, + HgO → H,0 + 0, + Hg How many atoms of H,O, are in 5.36 x 1022 atoms of HgO?

A:

Q: How many atoms of cobalt equal a mass of 58.93g

A: Molecular mass of cobalt = 58.93   Number of moles can be shown below

Q: Calculate the mass (in grams) of each of the following species. (Enter your answer to four…

A:

Q: Please use the precision of the values in the periodic table link to determine the correct number of…

A: The atomic mass of  He = 4.003 amu The atomic mass of  Fe = 18.998 amu The atomic mass of  Na =…

Q: What is the mass of 1.85x10^23 atoms of nitrogen?

A: Given  Number of atom of Nitrogen = 1.85 × 1023 atom  Mass of Nitrogen = ?

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.