Consider a sample of carbon tetrafluoride that contains 1.01 × 10²⁴ atoms of fluorine. What quantity in moles of fluorine are present?

Q: The density of carbon tetrachloride is 1.59 g/mL. How many chlorine atoms are present in 55 mL of…

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Q: How many atoms of sulfur are in 279 g of Na₂S₂O₃ ?

A: Given , Mass = 279 g Molar mass of Na₂S₂O₃= 158.11 g/mol

Q: What is the mass (in g) of a magnesium phosphide sample if it contains 7.9 x 1023 phosphorus atoms?

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Q: It is estimated that we breathe around 5.0 x 1021 molecules of 0, in a single breath. What mass of…

A: Given: Molecules of O2 in a single breath = 5.0 × 1021. Molar mass of O2 = 32 g/mol

Q: What is the mass grams that are in 6.70 x 1025 molecules of 1,?

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Q: Given 6.150 g of BaCl2, how many moles of chlorine atom is in your sample?

A: 1 mole of BaCl2 contains 1 mole of barium atoms and 2 moles of chlorine atoms. 1 mole of an atoms…

Q: How many molecules are in 156 g of aluminum sulfate? 1. 2. What is the mass of 5.36 x 102² molecules…

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Q: What is the mass in grams of 0.626 cmol(+) of magnesium (Mg2+), where cmol(+) is the moles of charge…

A: Concept:  Number of moles can be find by the given formula:  Moles = weight M.W.  Where  M.W. =…

Q: If you had 1.08 x 1024 molecules of barium dihydrogen phosphate, how many moles of the substance…

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Q: How many chlorine atoms are in 12.2 g of CCl4?

A: To solve this problem we have to first calculate the number of mole of CCl4 then we will calculate…

Q: How many grams of carbon tetrachloride are in 1.01 x 1024 molecules?

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

Q: What is the mass, in g, of 1.00 mol of nitrogen atoms?

A: Molar mass of the Nitrogen gas (N2) = 28 g/mol 1 mole = 6.022×1023 moles

Q: A sample contains 3.23 * 10 ^ 25 molecules of CO 2 . What would be the mass of that sample, in…

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Q: Determine the number of moles of cesium in 50.0 g of cesium.

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Q: 6.5 x 10²³ atoms of H is equal to how many moles H?

A: Number of units in one mole of any substance is defined by Avogadro's number and it is  equal to…

Q: How many moles of chlorine atoms are there in a sample that consists of 1.89e+22 molecules of iodine…

A: There are 6.022×1023 molecules in one mole of iodine trichloride ICl3.

Q: Nickel (Ni) is a metal that is added to steel to improve its resistance to corrosion. Calculate both…

A: Given : Number of atoms of Nickel i.e Ni = 6.99 X 1020 atoms.

Q: how many hydrogen atoms are there in 80.0 g of phosphoric acid?

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Q: How many grams of O are combined with 5.74 x 102" atoms of N in the compound dinitrogen pentoxide?

A: First thing is to the Formula of the compound is N2O5 first use Stiochemitry 1mole of N2O5 will have…

Q: Calculate the amount in moles of molecules for each substance listed. a. a sample of ammonia,…

A: There are 3 atoms of H in 1 mole of NH3  1 atom of H = 1/3 mole of NH3 Therefore 8.1×1020 atom of H…

Q: how many moles of calcium atoms do you have if you have 4.02 x 1021 atoms of calcium?

A: 1 mole of Ca contains 'Na, number of atoms. 1 mole of Ca weighs 40g  Na = 6.02214179×1023 atoms

Q: Consider a sample of calcium carbonate, CaCO3 (100.09 g/mol), in the form of a cube measuring 2.88.…

A: The length of the cube of calcium carbonate, CaCO3 =2.88 cm The density of the calcium carbonate,…

Q: How many grams are in 9.3 x 1020 atoms of Lead?

A: Applying concept of mole and avogadro concept.

Q: What is the molar mass of (NH,),Cr207? 300 g a 250 g 266 g C 252 g

A: Given compound is (NH4)2Cr2O7  Molar mass of N = 14 g Molar mass of H = 1 g  Molar mass of Cr = 52 g…

Q: How many grams of carbon are in 1.13 x 1025 molecules of (carbon dixide) CO2 ?

A: Given, Number of molecules of CO2 = 1.13 x 1025  Mass of Carbon (C) = ? Note: molar mass of C =…

Q: What is the mass, in grams, of 9.32×1024 molecules9.32×1024 molecules of methanol (CH3OH)?

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Q: A diamond contains 5.0x1021 atoms of carbon. What amount(moles) of carbon and what mass(grams) of…

A: No. of atoms of 'C' = 5.0×1021 atoms Calculation of no. of mol of 'C': n=No. of atoms6.022×1023…

Q: The element X forms the chloride containing 75.0% Cl, by mass. What is element X?

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Q: What is the molecular formula for a substance that in 1.00 mole of sample contains, 1.00 mole of C,…

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Q: How many total atoms are in a 75 g sample of Ag2O?

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Q: what is the percentage composition of oxygen of potassium sulfate,K2S04?

A: Since, Molar mass of K2SO4= 174.259 g mol-1 Molar mass of O = 16 g mol-1 %O = ?

Q: How many moles are in 2.5 x 1025 molecules of Fe?

A: mole interms of particle :       1 mole of any substance = 6.022 x 1023 particles  this number is…

Q: What is the mass, in grams, of 9.35×1024 molecules9.35×1024 molecules of methanol (CH3OH)?

A: Given information: molecules of methanol (CH3OH) = 9.35×1024

Q: 8. How many grams are in 2.55 x 1024 molecules of KCI?

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Q: What is the mass (in g) of 9.87 x 1022 atoms of magnesium? The molar mass of Mg is 24.305 g/mol.

A: Since moles = number of atoms / Avogadro's number where Avogadro's number = 6.022 X 1023  =>…

Q: In 6.9 g of aluminum, there are ______ x 1023 aluminum atoms present

A: Molecular mass of atom contains 6.023 × 10^23 atoms. Molar mass of aluminium is 26.981 g/mol

Q: 3.01 x 1023 molecules of sucrose is _ _ _ _ _ _ _ _ _ _ _ _ _ moles of sucrose.  Why don’t you need…

A: Given : Number of molecules of sucrose = 3.01 X 1023 molecules.

Q: Calculate the mass of NaOH in 0.2 moles of NaOH

A: We have given that Mole of NaOH = 0.2 mole Molar mass of NaOH = 40.0g/mole

Q: What is the amount (moles) of pure substance in 10.7 g of aluminum? Assume the molar mass of…

A: Ratio of given mass of an element to the molar mass of the element is known as number of moles of…

Q: The mass of a copper coin is 3.20 g. Suppose it were pure copper. (a) How many moles of Cu atoms…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: How many atoms of hydrogen are in 230  g of hydrogen peroxide ( H2O2)?

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Q: How many moles are in 1.72 x 1023 molecules of CO?

A: The number of molecules in one mole of a substance is equal to the Avogadro's number.

Q: How many moles are present in a (3.3x10^0) mg sample of calcium?

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Q: 1. How many moles would contain 12.0 g of P ? 2. Find the mass (in grams) 7.7 X 1023 molecules of…

A: 1. Given values , Mass of P= 12.0 g Molar mass P= 30.973762 g/mol

Q: 2.845 x 1012 potassium ions equals how many moles of potassium ions?

A: 1 mol of potassium ions equal 6.022 ×1023ions    16.022×1023moles of potassium ions equal 1 ion

Q: How many moles of water, H2OH2O, contain 2.0×10222.0×1022 molecules of water?

A: Mole is the unit of  measurement  for  amount of substance

Q: What amount (mol) of Rb is present in a sample containing 3.15×1025 atoms?

A: Given,Number of atoms in a sample = 3.15 × 1025 atomsWe know that, 6.022 × 1023 atoms are in 1 mole…

Q: Consider a 3.570 g sample of C4H10. How many molecules are in this sample?

A: Mass of C4H10 = 3.570 g       Molecular mass of butane (C4H10)=…

Q: How many moles are in 9.3 x 1024 molecules of carbon dioxide?

A: 1 mol contains 6.022 × 1023 molecules