https://app.101edu.co TARTING AMOUNT ADD FACTOR 0.333 Determine the quantity of moles in 1.81 x 1024 atoms of Na 3.00 0.765 4.82 x 1024 Aktiv Chemistry a Na Question 16 of 32 2.00 22.99 atoms Na ANSWER 1 1.09 x 104 g/mol Na 1.81 x 1024 69.10 mol Na RESET 2 AD 6.022 x 1023 N 21

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A: 1 mole of any element contains 6.02 * 1023 atoms of that molecule. Given number of atoms of Si…

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A: a). Given: The moles of C3H7OH = 0.0146 mol. The molar mass of C3H7OH = 60.09 g/mol.

Q: Complete the table. Element Moles Mass Cr 0.00442 Fe 73.5 mg Ti 1.009 x 10-3 Hg 1.78 kg

A: Mole is represented by the symbol mol. It is unit of measurement of substance. Mass is defined as…

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Q: Please help Element Moles Mass Cr 0.00450 _____ Fe _____ 84.0mg Ti 1.075×10-3 _____ Hg _____ 1.50…

A:

Q: Determine the mass, in grams, of 0.585 moles of 1 (1 mol of I has a mass of 126.90 g).

A: The mass of a compound can be determined by the moles of that compound.

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A: Here given concentration of KCl solution = 0.140 M                    Volume of the KCl solution =…

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Q: How many moles are there in 3.8 kg of CaCl2   Group of answer choices a)  34.24 mol b)  0.34 mol c)…

A:

Q: -1 Compound X has a molar mass of 153.03 g-mol and the following composition: element 0 mass% carbon…

A:

Q: An unidentified ionic compound contains approximately 29.85 g sodium, 67.50 g chromium, and 72.67 g…

A:

Q: Question 11 of Determine the number of moles in 4.21 x 10" molecules of Caci, STARTING AMOUNT ADO…

A: Given, Molecules of CaCl2= 4.21×1023 We have to find the no of mole of CaCl2

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A: We have to find out which conversion factor is used in the given calculation.

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A: The mass of the compound given is 15.0 g.We are asked to find the quantity of nitrogen atoms.The…

Q: A compound is found to contain 9.227 % boron and 90.77 % chlorine by weight. To answer the…

A: Compound contains :  ℅ B = 9.227 % Cl = 90.77 Molecular mass of the compound is 117.16 g mol-1

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Q: Chemistry Vocabulary WORD WALL percent composition the percent, BY MASS, of all elements in a…

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

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Q: How many moles of Hydrogen do you have you have 5.68 x 10 ^ 24 Hydrogen atoms? a)  .9432 x 10 ^-1…

A: 1 mole hydrogen atoms contains 6.023 x 1023 atoms of hydrogen.

Q: A sample of crude oil contains 3.01 mMnaphthalene, 11.6 mMmethylnaphthalene, 23.6…

A: Given,Molarity of naphthalene = 3.01 mMMolarity of methylnaphthalene = 11.6 mMMolarity of…

Q: What is the mass percentage of O in C,H,O,? 42.051 % C 8. 9. +/- x 100 3. 2. 4. 7,

A: Given: C3H8O2

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A: Given,

Q: What is the percent composition of silver nitrate, AgNO3?

A: % composition = n× atomic mass×100/molar mass n= number of atoms

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A: To solve this problem we have to calculate the number of molecules of the given sample .

Q: Which of the following has the smallest mass? O 1.40 x 1024 molecules of 12 O 0.010 kg of Br2 O 5.00…

A: Here we have to generalize all the units into grams to compare the smallest mass.

Q: Inbox ← → C www. Apps Aktiv Chemistry X OneLogin + X app.101edu.co Time's Up! An unknown compound is…

A:

Q: How many atoms are in 5.00 moles of O? O O 23 5.02 x 10 atoms 24 1.51 x 10 atoms O 3.01 × 1023 atoms…

A: The concept of the Avogardo number is used here. Because the moles of O are given and we are asked…

Q: Determine the empirical formula of a compound that is 31.63% 09 31.56 % Ti and 36.81% Fe by mass Fe…

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A: These all are acidic radical. For each radical there are many confirmatory test present, which can…

Q: How many molecules are in 3.78 moles of H,?

A: Given : moles of H2 = 3.78 mol.

Q: A ionic compound has the formula MBr4. The mass of 0.2353 mol of the compound is 103.14 g. What is…

A: Given: moles of MBr4 = 0.2353 molMass of MBr4 = 103.14 g As we know, No. of moles =

Q: 125 grams of sugar (C12H22011) is _ mole? Select an answer and submit. For keyboard navigation, use…

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A: To solve this problem we have to calculate the percentage of all the elements in Tylenol .

Q: How many moles of propylene (C;H6) are in 25.0 g of the substance?

A: Given :-  Mass of C3H6 = 25.0 g  To calculate :-  Number of moles of C3H6

Q: Element Atomic Weight (g/mol) Percent Composition Ni 58.6934 36.3% Fe 55.845 17.3% As 74.9216 46.4%…

A: The percentage composition of each element in the compound is given as, Assuming 100 g of the…

Q: Mass of KHP 4.0 4652 g .5282 g 40 4831 Initial Burette Reading 40.39 0.39 mL 40 11.01 mL 22.70 ml…

A: 1) KHP is a monoprotic acid with molecular formula C8H5KO4. Hence it reacts with base NaOH as per…

Q: Question 4 of 37 Determine the amount in grams of KCI that exists in 20.3 g of a solution that…

A: Weight of solution= 20.3 gm  %KCl by mass = 1.14 %

Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.