143.50g

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Q: How many significant figures are in each number?

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Q: A sample of metal has a mass of 23.5123.51 g, and a volume of 6.436.43 mL. What is the density of th...

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Q: Match this condensed formula, CH3CCCH2OH, with the correct skeletal drawing. A)I 1) II) LOH B) I| II...

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Q: which of the following is Correet fer stability onder of P6* and Pb +2 A) Pb 8) Pb = Pb+4 DINone

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Q: Perform the following conversion. Show work and units.  4.5 x 10^-15 J/photon to kJ/mole photons

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Q: Part D 1.5630 x 1011 n m O 1 2 O 3 O 4 O 7 O 5 O 6 Tho numho of significant fig

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Q: Question - Complete and balance the following chemical equations: NaclO3 ---> When you complete and ...

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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.