I. COMPLETE THE TABLE Use the given values in the table to solve the missing values. Mass Number of Number of Molecules or Number of Atoms Substance (g) Moles Formula Units or lons MgCl2 37.62 AGNO3 2.84 BH4CI 8.93 x 1025 K2S 7.69 x 1026 H2SO4 1.29 C6H14 11.84 UCIO. 2 45 x 1026

Q: Consider a 25.0 g sample of Ca(NO3)2. Determine the following: mass (in g) of O number of NO3− ions…

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Q: Mass of oxygen = 0.49g- 0.33g = 0.16g Number of moles = given mass / molar mass Number of moles of…

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Q: 10. Make the following conversions: (a) 28.4 g S to moles S (b) 2.50 kg Nacl to moles Nacl (c) 42.2…

A: Number of moles = mass ÷ molar mass

Q: 49. How many moles are there in 500 g indigo, C16H10N202, a blue dye. c. 1.15 X10E24 mol a. 1.90 mol…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: 2 Mg(s) + 3 N2 (g) --> 2 MgN3 (s) How many moles of N2 will be used to produce 115 grams of MgN3?

A: The given reaction is,             2 Mg(s) + 3 N2 (g) --> 2 MgN3 (s) We have, mass of MgN3 = 115…

Q: A molecular compound is found to consists 30.4% nitrogen and 69.6% oxygen. if the molecule contains…

A: Given Composition of N = 30.4 % Composition of O = 69.6 %

Q: What is the mass in grams for 0.198 mole mercury(III) bromide?  Two decimals 0.749 mol calcium…

A: Solution of these questions depends on mole concept. One mole of any compound contains avogadro…

Q: The number of hydrogen atoms in 0.050 mol of C3H3O3 is A) 3.0 x 1022 H atoms. D) 4.8 x 1023 H atoms.…

A: Interpretation: The number of hydrogen atoms in 0.050 mol of C3H8O3 is to be determined.

Q: Number of Molecules or Number of Atoms or lons 2.379 x 10 ^23 Number of Substance Mass (g) Moles…

A: Number of moles = given mass/molar mass Also 1 mole = 6.022 × 1023 atoms, molecules, formula units…

Q: Data Table 1. Moles and Atoms in Common Items Item Aluminum Cup Glass Stirring Rod Cotton Ball A.…

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Q: 2 Agl + Nazs → Ag2S + 2 Nal O 6.00 moles O 1.00 moles O 2.00 moles O 3.00 moles

A: Moles of AgI = 2.00 moles Moles of Na2S = 3.0 moles

Q: 10. Make the following conversions: (a) 28.4 g S to moles S (b) 2.50 kg NaCl to moles NaCl (c) 42.2…

A: (a) Mass  of S = 28.4 g Molar mass of S = 32.06 g/mol Moles of S = mass of Smolar mass of S  = 28.4…

Q: 8.3.01 x 1023 CH₂O molecules moles CH₁₂0 9. 1.00 x 1025 Na atoms moles No

A: Here, we have to find the number of moles of C6H12O6 in 3.01×1023 C6H12O6 molecules and the number…

Q: Label the diagram to correctly convert 159.8 of Br, to moles of Br2 : 79.9 Br2 : 159.8 g Br2 : 1 mol…

A: Final answer :- 2 mol of Br2

Q: Calculate the number of moles for each of the questions below. Use the space on the right to show…

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Q: Question3 part d

A: The formula of allicin is C6H10OS2 and the molar mass of this is 167.2716 g/mol.

Q: Heroin (molar mass = 359 g/mol) is also a narcotic drug and is a derivative of morphine. How many…

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Q: Formula Amount of Molar Mass of Amount of Samples units or molecules mass(g/mol) sample(g) atoms…

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Q: Label the diagram to correctly convert 141.8g of Cl2 to moles of Cl2 1. X. : 71.9 g C2 : 141.8g Cl2…

A: A schematic diagram based on the conversion of mass of Cl2 into number of moles of Cl2 for which the…

Q: casbon 35.) Calaulate He grams. muss in he l,25 motes of aluminur chloride b. 3.35 moles of sodium…

A: multiplication of moles with molar mass will give the mass of that compound or molecules. As per…

Q: How many moles are in 114.58 grams of Ba (SO4) A. 0.72 moles Ba (SO4) B. 18,290.4 moles Ba (SO4)…

A: Number of moles of substance =(mass given)/(molar mass) ----(1) Given data:  Mass of BaSO4…

Q: at is the percent composition of chloroform, CHC1, a substance e used as an anesthetic? (C:…

A: Given molecular formula of chloroform CHCl3. To find out the % composition of C, H , Cl. Atomic mass…

Q: 2. Calculate number of molecules in 2.33 g CH6. molar masses: C = 12.01 g/ mole and H = 1.008 g/…

A: Given: Mass of C6H6 = 2.33 g.

Q: Calculate number of moles for the following quantities: a) 1.29 g NaOH b) 4.50 g NaCl c) 50.0 g…

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Q: Table 1. The relationship between mass, mole and number of particles Formula of Molar mass Mass (g)…

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Q: Calculate the mass (in g) of each sample.a. 5.94 * 1020 SO3 moleculesb. 2.8 * 1022 H2O moleculesc. 1…

A: Avogadro's  number gives the number of atoms, molecules or ions in one mole of the substance and it…

Q: 2NH3 + 3CUO → 3Cu + 3H2O + N2 How many mole ratios will you have in the equation? List 4 mole…

A: A mole ratio is ​the ratio between the amounts in moles of any two compounds involved in a chemical…

Q: Which sample represents the greatest number of moles? 10 Water (A Compound) Water medecdes havea…

A: The moles of a substance can be calculated as follows: Moles of substance=Mass of substanceMolar…

Q: How many moles (of molecules or formula units) are in each sample? 42.59 g CF2Cl2 Express your…

A: One mole contains Avagadro number of atoms. That is, 6.022x1023 atoms. Mass of one mole is called…

Q: Mass Number of atoms 1 atom of Mg amu atom(s) Katomic mass from the periodic table) 1 atom of Mg…

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Q: 51 Caffeine Caffeine, found in coffee, tea, chocolate, cola beverages is a highly popular stimulant…

A: Note - “Since you have posted a question with multiple sub-parts, we will solve first three…

Q: You have 8.72 x 1025 molecules of water. Find the volume of this in milliliters. Water has a molar…

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Q: Given 1.52×10171.52×1017 molecules of HC2H3O2HC2H3O2, calculate the moles of acetic acid in this…

A: Answer:- This question is answered by using the simple concept of calculation of number of moles…

Q: Convert 9.83 x 1022 grams of X4Z4 into molecules/formula units of the same compound. (Assume that…

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Q: mass of 1.2 × 10^23 atoms of phosphorus (molar mass= 31 gm/mo

A: The one mole of a substance contains 6.022×1023 number of its atoms.here moles of…

Q: I'm terrible at word problems but my professor doesn't give explanations to why you missed something…

A: Let’s say there is a chemical reaction given

Q: The molar mass of (NH4)2C2O4 is [Molar Masses (g/mole): N = 1 4; H = 1; C = 12; O = 16] Oa. а. 124…

A: Given compound, (NH4)2C2O4l

Q: Calculate the folowing   1-number of atoms in 6.54 g Be =37 x 1023 atoms 2-number of atoms in 28.0…

A: Number of Moles = (Mass of the Sample)/(Molar Mass)   Number of Atoms or Molecules = (Number of…

Q: (c) An organic compound consists of carbon, hydrogen and sulfur only. The percentage of carbon by…

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Q: What is the molecular formula of each compound?(a) Empirical formula CH (μ=78.11 g/mol)(b)…

A: a) Empirical formula = CH     Given mass = 78.11g/mol     Empirical formula mass = 12 + 1=13g/mol…

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

A: 1. atomic mass of H =1 g/mol, O = 16 g/mol, C = 12 g/mol molecular mass of H2O = 18 g/mol and CO2 =…

Q: Molar Masses A = 256.03 D = 194.68 E = 157.45 mole mole mole G = 192.47 X = 276.25 9 Z = 162.05 -…

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Q: MOLAR VIEW T03/S01 How many moles of NH.+ ions are present in 2.30 · 103 mol of NH.Br formula units?…

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Q: Answer true or false. (b) Avogadro’s number, to three significant figures, is 6.02 x 1023 formula…

A: Given statements -  (b) Avogadro’s number, to three significant figures, is 6.02 x 1023 formula…

Q: Part 1 - count the moles, molecules and atoms # of moles # of atoms in each Total # of atoms…

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Q: In the presence of cyanuric acid, melamine can form crystals that potentially cause renal failure if…

A: To find out the which contains the most nitrogen, we need to find out the the moles of nitrogen in…

Q: Molecular No. of Substance mass No. of moles molecules Mass of Sample =x ( n = X/Y пxбх10 (common…

A: Applying formula of mole and no. Of molecules n= x/y  (X/y)6.022E23

Q: How many grams of N2 are needed to make 444 g of NBr3 ?  N2   +   3 Br2   →   2 NBr3   +   44.0 kJ…

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Q: Chapter 3 - The Mole, Percent Composition, Empirical Formula and Molecular Formula How to calculate…

A: 1. The formula for percent composition is given by