Calculate the number of atoms in 2.34 grams of Ca. For

Q: don’t understand the first part of the question with the: “You need 2 moles of magnesium…” How do I…

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Q: determine the empirical and molecular formulas

A: Given :-  percentage composition of C = 63.13 %  percentage composition of H = 8.830%  percentage…

Q: Complete the following calculations and upload your work. Determine the number of moles of sulfur…

A: Sulfur pentoxide : SO5 Molar mass of S = 32 g/mol Molar mass of O = 16 g/mol

Q: A nuclear detector finds 80 atoms of oxygen-16 (15.999 amu), 60 atoms of oxygen-14 (13.999 amu), and…

A: A nuclear detector finds Isotope Atomic mass No of atoms detected oxygen-16  15.999 amu 80…

Q: What is probably meant is 1 mol of nitrogen molecules

A: 1 mole of N2 means 6.023*10^23 molecules of N2

Q: How was the empirical formula mass of 141.94g/mol found? What are some easy steps I can use so I…

A: Given: Empirical formula =P2O5. We have to find empirical formula mass.

Q: Percent yields are generally calculated from masses. Would the result be the same if amounts (mol)…

A: Yes, same result will be obtained. Formula: Percent yield = actual mass of product…

Q: Calculate the Molar Mass of the following:

A: Note: As per our guidelines, we are supposed to answer only three subparts when multiple subpart…

Q: What is the mass, in g, of Avogadro's number of nickel atoms? Enter your answer in the provided box.

A: We know that,  1 mole of any element consist of 6.022*1023 atoms.

Q: relative

A: We know that empirical formulas give the simplest whole number ratio of atoms in a compound.…

Q: Calculate number of atoms in 30 g of lithium?

A: From given datas  As per Avogadro hypothesis we are calculating number of atoms of 30g of Li as…

Q: a. How many moles? b. Weight how much? c. Contains how many molecules?

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Q: Explain how you can find the mole ratio in a chemical compound.

A: A CHEMICAL COMPOUND IS A CHEMICAL SUBSTANCE COMPOSED OF MANY IDENTICAL MOLECULES COMPOSED OF ATOMS…

Q: Calculate the molar mass of Ba(ClO,),. Show your work! Show Your Work

A: Molar mass of the compound is the sum of the mass of each element .

Q: How many grams are in 5.32 x 1022 molecules of CO. ?

A: The amount of 5.32x1022 molecules of CO2 is to be calculated.

Q: References] Use the References to access important values if needed for this question a. How many…

A: 1 mol of boron trichloride (BF3) contains 1 boron(B) atom and 3 fluorine(F) atoms.

Q: When I submit this answer to my homework software I receive the message "Your mole ratio between H2…

A:

Q: For our experiment, we use the starting mass of the Mg to determine the moles of H2 produced and NOT…

A: The balanced chemical equation can be written as follows: Mg  +  2HCl  →  MgCl2  +  H2

Q: The analysis of 1.00 g sample of phosphorous oxide, with a molar mass of about 284 g/mol, was found…

A: Given information: Mass of sample = 1.00 g Mass of phosphorus  = 0.44 g Mass of oxygen = 0.56 g…

Q: How do I create a three step problem going from grams to atoms when dealing with moles?

A: For any element/compound, the weight is related to moles by gram atomic/molecular weight. Also moles…

Q: Glucose is a fuel source for living organisms. Calculate the molar mass of glucose to the nearest…

A: Molar mass- The mass of one mole of substance in gram is called Molar mass. Substance may be…

Q: State the mathematical relationship between Avogadro’s number and 1 mol.

A: The mathematical relationship between Avogadro’s number and 1 mol has to be  stated

Q: Calculate Find the number of moles in 508 g of ethanol (C,H,O).

A: 27.  Given :- mass of ethanol (C2H6O) = 508 g  To be calculated :- number of moles of ethanol…

Q: How many atoms of oxygen are in 1.00 x 10 -1g KMnO4? Hint:  must use Avogadro’s number

A: given mass of KMnO4 = 1 × 10-1 g

Q: Calculate the mass, in grams, of Avogadro's number of ruthenium atoms. Enter your answer in the…

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Q: How many moles are contained in 251 grams of Fe2O3? First determine the molar mass of Fe2O3. Can…

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Q: molar mass of of K3[Fe(C2O4)3].3H2O

A:

Q: What is the mass, in g, of Avogadro's number of aluminum atoms? Enter your answer in the provided…

A: Avogadro's number = 6.0224 x 1023 = 1 mole Mass of Avogadro's of an element = Molar mass of the…

Q: A certain compound is composed of 26.57% potassium, 35.36% chromium and 38.07% oxygen.  Derive the…

A: Empirical formula of a compound is expressed with the ratio of minimum number of atoms present in…

Q: What is the difference between empirical formula and molecular formula

A: Empirical formula of a chemical compound is the simplest positive integer ratio of atoms present in…

Q: Show all calculations and steps: 17. Place the following substances in order from smallest to…

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Q: Determine the molar mass of CH OCH,.

A: We know that, molar mass of C=12 g mol-1 Molar mass of O=16 g mol-1 Molar mass of H = 1 g mol-1

Q: Determine the number of atoms in 71.0g of Br. (Molar mass of one mole of Br is 79.90)

A: Mole is the unit to represent quantity of fundamental particle like proton neutron and electron.

Q: 1. Fill in the blanks with the most appropriate term: A are the tells the story of a chemical…

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

Q: Discuss the relationships that exist between the mole, molar mass, and Avogadro’s number.

A: There is a relationship between mole, Avogadro's number and molar mass, which is discussed below.

Q: Fill in the blank. _________ is the product of number of moles and Avogadro’s number.

A: To find: What is the product of the number of moles and the Avogadro's number

Q: I'm terrible at word problems but my professor doesn't give explanations to why you missed something…

A: Let’s say there is a chemical reaction given

Q: What units would you put under “molar mass” and “Avogadro’s number”on this diagram?

A: The given flowchart suggests that grams i.e. weight can be easily converted to moles using the molar…

Q: Chemistry Determine how many atoms are in each formula and then determine the molar mass. Show your…

A: Atoms are made up of neutrons, electrons and protons. Protons are positively charged particles.

Q: Defi ne the terms mole and Avogadro’s number

A: Mole concept can be used to find out the mass of the substance or the number of the particles…

Q: Is formula mass different from molecular mass and molar mass? Or they can be used interchangeably in…

A: Given: Three terms are given formula mass, molecular mass and molar mass To find: whether these are…

Q: How are formula weight and molar mass calculated?

A: To find: How are formula weight and molar mass calculated

Q: How many atoms are in 4.26 mol of pure aluminum? number of atoms: Al atoms Incorrect

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Q: (a) what is Avogadro’s number, and how is it related to the mole? (b) What is the relationship…

A: We have to show the correlation between  Avogadro’s number and number of moles. Also we have to show…

Q: What is the mass of 3.50 moles of NH3 (Hint calculate molar mass first)

A: Moles of NH3  given= 3.50 moles  Molar mass of NH3  = ( atomic mass of N) + ( atomic mass of H ×3) =…

Q: The number of molecules in 49.1 grams of carbon tetrafluoride would be less or greater than…

A: Since number of molecules = moles X Avogadro's number So if moles is less than 1 than the the number…

Q: Part B How many grams of NH3 can be produced from 3.73 mol of N2 and excess H2 . Express your answer…

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Q: Enter your answer in the provided bex. Calculate the molar mass of a compound if 0.382 mole of it…

A: This question is related to stoichiometry which determines the quantitative relationship between…

Q: oxygen

A: the question is based on the concept of stoichiometric calculations. we have been provided with…

Q: [Review Topics] [References] Use the References to access important values if needed for this…

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".