Briefly explain how the atomic mass of an element is related to its molar mass.

Q: Mass of product…

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Q: 3) Show your calculations clearly. Suppose you are provided with a 36.55 g sample of potassium…

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Q: percent

A: CuO  + H2 ------------------ Cu  + H2o  Mm of CuO = 79g No of mole of Cu is = 4.7/79= 0.21mol From…

Q: What is known as mole of hydrogen ?

A: Mole: It is the way of expressing the amount of substance present in 12 grams of the carbon-12…

Q: Convert between mass, moles, and atoms of an element. How many Kr atoms are there in a 73.1 gram…

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Q: What is the mass of 4.34  1027 hydrogen molecules?

A: Given: Number of hydrogen molecules =

Q: Determine the percentage by mass of an element in "salt"

A: Chemical Formula of Table Salt = NaCl Molar Mass of NaCl = 58.44 g/mol Mass of Element Na = 22.99…

Q: Identify the number of atoms of silver that are in 0.2124 moles of silver

A: Given - - > Number of mol of silver = 0.2124 mol   We known that, 1 mol of atoms = 6.022 x 1023…

Q: Describe the steps used to convert the mass of an element to the number ofatoms of the element.

A: The steps that are used to convert the mass of an element to the number of atoms of the element has…

Q: The mass in grams of one argon atom

A:

Q: What is the mass of a sample of aluminum that has the same number of atoms that are in 20.0 g of…

A: The value is given as follows:

Q: Determine the number of moles of the compound and determine the number of moles of each type of atom…

A: Since you have posted a  question with sub-parts , we are entitled to answer the first three…

Q: Why is the mass of a mole of carbon atoms 12 times that of a mole of hydrogen atoms?

A: The solution is as follows:

Q: Two thirds of the atom in a molecule of water is hydrogen. What percentage weight of a water…

A: Given: Hydrogen atoms in a water molecule = 2/3 Atomic weight of hydrogen = 1.008 g/mol Atomic…

Q: How many atoms are there in 2 moles of Calcium

A: Number of moles of calcium = 2 moles  Number of atoms of calcium = ?

Q: How many atoms are present in (6.78x10^1) g of an element with the following molar mass.…

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Q: what is the mass element of calcium?

A: Mass of an element is represented by A in symbolic representation of element.

Q: What is the mass of 1 mol of S atoms to three significant figures?

A: Mass of 1 mol of any atom is equal to its atomic weight.

Q: O3

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Q: How many particles of Glucose (C6H1206) are in a 0.25g sample. Round periodic table average atomic…

A: Given, Mass of glucose sample = 0.25 g Chemical formula of glucose = C6H12O6 Molecules or particles…

Q: Sketch a simple schematic diagram of a mass spectrometer. Briefly explain how mass spectrometers…

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Q: How to convert from mass percent to mass of an element ?

A: We can calculate mass of element if we have have information about mass percent and total mass.

Q: What are errors that could cause one of your mass percentage to be too high?

A: The three errors that results in high value of mass percentages are,(i)calibration error(ii) If mass…

Q: Popol learns in his biology class that human body is approximately 9.5% carbon. How many moles of…

A: Given 9.5% mass percentage. Using this wa can calculate mass of carbon and then moles.  Further…

Q: How many atoms of gold are in 1 gram of gold?

A: Given, 1 gram of gold

Q: How many Praseodymium atoms are present in 2.99 moles of Praseodymium ?

A: Given : 2.99 moles of Praseodymium ( Pr) Molecular weight of Pr = 140.91 grams

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

A: Molar mass is the sum of mass of all atoms and the unit of the molar mass is grams or g

Q: What is the atomic weight of the element chlorine?

A: Average atomic weight of chlorine element is 35.5 amu. Chlorine atom has two isotopes Cl35 and Cl37…

Q: A 3.20 mol sample of aluminum represents how many atoms?

A: Number of atoms = moles of Atom X Avogadro's number  where Avogadro's number = 6.022 X 1023

Q: w many moles of calcium atoms do you 1021

A: Given, No. of atoms = 6.22×1021 atms To calculate the number of moles of calcium.

Q: The number of moles of potassium that contains 8.47×1025 atoms.

A: Given,Number of potassium atoms = 8.47 × 1025

Q: Which of the following has the largest moles of oxygen per mole of the molecule?

A: 1 mole of any substance = avogadro number of particles                                          =…

Q: You have a 20.0 g sample of silver metal. You are given 10.0 g of another metal and told that this…

A: The situation is possible or not has to be determined.

Q: atoms

A: it is made of 3 tiny partical  known as electron ,proton and neutron  Neutron  and proton make…

Q: molecular weight is the summation of Atomic numbers Atomics weight Number of molecules

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Q: What is the mass of 0.900 mol of BCl3?

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Q: The total count of atoms in 1.3 mol of argon in its elemental form is:

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Q: What is the average atomic mass of a mystery substance that is 27.5 at a mass of 37g and 72.5% at a…

A: Given: Mass =37 g  Percentage %=27.5 % Mass =38 Percentage % =72.5% Average mass=?

Q: A molar mass value is equivalent to any element's

A: From given  Molar mass is the mass of 1gram mole molecule.

Q: Why are there no atoms of elements that have masses as stated on the periodic table?

A: In modern periodic table elements are arrangement based on their electronic configuration or atomic…

Q: Mass of ground pill Volume of KMNO, Moles of KMNO, Moles of Fe2+ Moles of FeSO, • 7H,O Mass of FeSO,…

A: Given: Molarity of KMnO4 = 0.0114809 M Balanced reaction : MnO4− + 5 Fe2+ + 8 H+ → Mn2+ + 5 Fe3+ + 4…

Q: The molar masses of the four natural isotopes of chromium are 50 g mol-1, 52 g mol -1 53 g mol -1…

A: Given: The molar mass of four isotopes of chromium is 50 g/mol, 52 g/mol, 53 g/mol, and 54 g/mol.…

Q: How many atoms are in 5.80 moles of He?

A: Given : Moles of He = 5.80 mol.

Q: How many atoms is 48.62 moles of zinc

A: Solution:-   The values provided in the question are:-   i) Number of moles of zinc = 48.62 mol…

Q: A compound is found to contain 42.88 % carbon and 57.12 % oxygen by mass. To answer the question,…

A: Part 1 : Given, Mass percent of C = 42.88 % Mass percent of O = 57.12 %

Q: What is the representative particle, mass(g), no. of particles of carbon dioxide

A: 1mole of any substance contains 6.023*1023 molecules or particles, it is also called one avagadros…

Q: How do you calculate the atoms of an element in a compound when given the grams of the compound

A: We know that , 1 mole = 6.023 x 10^23 atoms/molecules/ions    No of moles = Given mass/(molar mass…