are there in:15.4.11 mol water moleculesQuestion 18Determine the percenfollowing compounds:(6)15.4.2 0,1 mol hydrogen moleculesaq)15.4.3 2,2 g carbon dioxide18.1aluminium hy15.5Determine the number of atoms in:18.2r(s)(NHA)2CO215.5.1 1 mol oxygen moleculesQuestion 1915.5.2 0,1mol water molecules19.1What is me15.5.3 0,2 mol silver iodide19.2Calculateaq)15.5.4 8,26 g magnesium hydroxideat STP:19.2.1Question 16S(g)19.2.2Determine the empirical formula of a compound thatcontains the following:19.2.319.2.4he16.156,5% K: 8,7%C and 34,8% O19.3Calcu16.262,5% Pb : 8,45% N 29,05% O19.316.3 53,0% Al: 47,0% Oy19.30,4026 g of a substance has 0,161 g C,0,0268 g H and 0,2148 g O16.41916.5 3,7 g of a substance has 2 g calcium,1,6 g oxygen and 0,1 g hydrogenQuesQuestion 17CalcuDetermine the number of moles of water ofcrystallisation in the following salts:und17.1 CaCl2.nH2O, if the formula mass is237,9 g.mol20.120.17.2NazSO4.nH,O, if the formula mass is20322 g.mol7nsO4.XH2O, if 14,37 g of the substance17320.

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15.5 Determine the number of atoms in: 15.5.1 1 mol oxygen molecules 15.5.2 0,1 mol water molecules 15.5.3 0,2 mol silver lodide 15.5.4 8,26 g magnesium hydroxide

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory 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.

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