Part 1 - count the moles, molecules and atoms # of moles # of atoms in each Total # of atoms molecule Formula # of molecules 30, 3 moles of 0, 3 molecules O, 2 atoms per molecule 6 atoms total 2H,02 Ca(ОН), 2C,H10 | 4H,SO,

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Q: Given 0.680 moles of Ca(NO3)2; calculate the formula units of Ca(NO3)2 in this amount.…

A: Given Moles of  Ca(NO3)2  = 0.680 moles

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A: Introduction :  Atom can be defined as the smallest unit of matter , it is composed of nucleus and…

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A: No of atom/molecules = mole × Avogadro number

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Q: A sample of NH3 has a mass of 84.06 grams.   Calculate the moles of NH3 in the sample.…

A: Given : Mass of NH3 = 84.06 g

Q: How many molecules of H2O are contained in 360 g of H2O? How many atoms of H?

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Q: a. How many molecules of carbon dioxide are present in 4.99 moles of this compound? molecules 22 b.…

A: 1 mol = 6.022 x 1023 moleculesThus,1 molecule =  mol

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A: Which one of the following is correct

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Q: How many molecules of water are made from 8 molecules of H2? molecules

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Q: A compound is 80.0% carbon and 20.0% hydrogen by mass. Assume a 100.-g sample of this compound. How…

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Q: In chemistry, what is meant by the term “mole?” What is the importance of the mole concept

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Q: How many moles of CH4 are 4.5x1022 CH4 molecules? NOTE: It is not necessary to include units on your…

A: Given that:  Molecules of CH4 = 4.5×1022

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A: Given , Number of atoms of phosphorus = 4.41 × 1024

Q: 1. How many ATOMS of nitrogen are present in 4.59 moles of nitrogen dioxide ? atoms of nitrogen. 2.…

A: Nitrogen Dioxide = NO2  Moles of NO2 = 4.59 Number of Molecules of NO2 = Moles × 6.022 × 1023 = 4.59…

Q: Determine the number of moles (of molecules or formula units) in sample. 0.1187 g C8H18

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Q: number of atoms in 5.12 g P

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Q: Mass of H20 is 2.9445 g Mass of CO2 is 7.1918 g Moles of H20 is 0.1634 Moles of CO2 is 0.1634

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Q: How many moles are in 4.33 x 1025 formula units of NaC?

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Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.