Please answer / YOU Must Show Your work/ the problems and post your assignment before the DEADLINE. Good Luck!!! 1. Calculate the mass of each sample. a. 1.05 x 10 26 atoms of neon, Ne(g) b. 8.72 x 10²1 molecules of karakin, C15H21N3015(s) 2. Determine the number of molecules or formula units in each sample. a. 32.4 g of lead(11) phosphate, Pb3(PO4)2(s) b. 48 kg of molybdenum (VI) oxide, MoO3 (s) 3. Rubbing alcohol oft en contains propanol, C 3 H 7 OH(I). Suppose that you have an 85.9 g sample of propanol. a. How many carbon atoms are in the sample? b. How many oxygen atoms are in the sample? Hint C3H7OH Molecule=1 Carbon atoms=3 Hydrogen atoms=8 Total atoms=12 #=n x Na #=n x Na x3 #=n x Na x8 #=n x Na x12 4. Many common dry-chemical fire extinguishers contain ammonium phosphate, (NH4)3PO4(s), as their principal ingredient. If a sample of ammonium phosphate contains 4.5 x 10²1 atoms of nitrogen, what is the mass of the sample? Hint: this question is V.S of question No. 3/ (NH4)3PO4(s), #= 4.5 x 10 2¹ atoms of nitrogen (Divide)/3= n= # / Na

Please answer / YOU Must Show Your work/ the problems and post your assignment before the DEADLINE. Good Luck!!! 1. Calculate the mass of each sample. a. 1.05 x 10 26 atoms of neon, Ne(g) b. 8.72 x 10²1 molecules of karakin, C15H21N3015(s) 2. Determine the number of molecules or formula units in each sample. a. 32.4 g of lead(11) phosphate, Pb3(PO4)2(s) b. 48 kg of molybdenum (VI) oxide, MoO3 (s) 3. Rubbing alcohol oft en contains propanol, C 3 H 7 OH(I). Suppose that you have an 85.9 g sample of propanol. a. How many carbon atoms are in the sample? b. How many oxygen atoms are in the sample? Hint C3H7OH Molecule=1 Carbon atoms=3 Hydrogen atoms=8 Total atoms=12 #=n x Na #=n x Na x3 #=n x Na x8 #=n x Na x12 4. Many common dry-chemical fire extinguishers contain ammonium phosphate, (NH4)3PO4(s), as their principal ingredient. If a sample of ammonium phosphate contains 4.5 x 10²1 atoms of nitrogen, what is the mass of the sample? Hint: this question is V.S of question No. 3/ (NH4)3PO4(s), #= 4.5 x 10 2¹ atoms of nitrogen (Divide)/3= n= # / Na

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter2: Chemical Compounds

Section: Chapter Questions

Problem 77QRT: You have a pure sample of apholate, C12H24N9P3, a highly effective commercial insecticide. Calculate...

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