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Q: A 2.25 g sample of Ammonium carbonate contains how many moles of ammonium carbonate? Molecules of…

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Q: sodium chloride is 60.66% chlorine by mass what is the mass % of sodium in sodium chloride?

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Q: 48.6 g of Cu equals how many moles?

A: Molar mass of Cu, Mwt = 63.546 g/mol Given Weight , W = 48.6 g

Q: What are all the mole formulas such as, mole-mole, mole to liters, moles to grams, mass to mass,…

A: The formula for  mole-mole calculation has to give, A mole fraction indicates the number of chemical…

Q: Why are coefficients used in mole ratios instead ofsubscripts?

A: Mole ratio It is the ratio between the number of moles of any two compounds in a balanced equation…

Q: how many moles of HCI are in a sample of HCI with a mass of 126 g?

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Q: ny atoms a

A: The number of moles is determined as the mass of the substance upon its molar mass. The number of…

Q: How many formula units are in 9.6 mol.

A: Number of formula units = 6.0224 x 1023 x number of mols

Q: What is the mass of 1.11 mol calcium oxide (Cao)? g

A: Given: Moles of CaO = 1.11 molRequired: Mass of CaO = ?

Q: Calculate the mass of 14.4 moles HgO. (In Kilograms)

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Q: An important reason to use moles for calculations in a chemical laboratory is: O Moles can be added,…

A: We have to choose the correct option.

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.