8 Calculate the number of moles, and molecules in: a) 10 g water b) 10 g ethanol C,H,0 c) 10 g of glucose C,H,O,

Q: Calculate the percent composition for: NaPO4

A: The composition of the constituent elements in a compound is the same, and does not depend on the…

Q: 3) What is the mole of 6.022 x 10 molecules of CO, ? A) 2 B) 3 C) 1 4) What is the molar mass of CO,…

A: 3) In this question we want to determine the moles of CO2  We know that,  moles of CO2 = ( molecules…

Q: Complete combustion of 4.60 g of a hydrocarbon produced 14.2 g of CO, and 6.53 g of H,O. What is the…

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Q: What number of molecules (or formula units) are present in 2.93 g of each of the following…

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Q: Calculate the mass in milligrams (mg) of 846 micromol (μmol) of silver oxide (Ag2O). Give your…

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Q: 23.  Determine the number of atoms and the mass of zirconium, silicon, and oxygen found in 0.3384…

A: Avogadro’s number is the number of atoms or molecules present in one mole of substance. The value of…

Q: D. Solve the following. Show your solutions. Attach a plcture of your solution after each number.…

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Q: Choose the letters that apply: Suppose we have 2 substances (chloroform and aspirin), in computing…

A: Given :  Choose the letters that apply: Suppose we have 2 substances (chloroform and aspirin), in…

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Q: A student in lab needs to make a solution that is 5.005.00% by mass NaCl. If 125 g125 g of NaCl is…

A: NaCl is ionic compund having Na+ and Cl- ions, they are also known as salts.

Q: Determine the molecular formula of a compound that contains 26.7%P, 12.1% N, and 61.2% Cl, and has a…

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Q: PART A.1: calculate the Empirical formula for a compound. 1. A cocapound contists of 20-3g of…

A: Part A : 1) Converting the weight (in grams) to moles Moles of carbon = 20.3/12 = 1.697 Moles of…

Q: can you solve these 2 and just provide the answer I solved most of the work I just wanna make sure…

A: A mole of a substance can be defined as the mass of that substance that contains the same number of…

Q: 22 A compound consists of 40.00% carbon, 6.71% hydrogen and 53.29% oxygen and has a molecular mass…

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Q: A sample containing 2.3 moles of H2O has weight equal to g. It has + molecules of water, + atoms of…

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Q: . The formula for ibuprofen is C3H1O2. How many moles of ibuprofen are present in 250.0-mg tablet?

A: Since you have posted multiple questions, we are entitled to answer the first only. Please repost…

Q: What is the mass percent of oxalate if a 142.9 g sample was found to have of oxalate in the chemical…

A: Given: Mass of oxalate in the sample = 88.02 g Mass of the sample= 142.9 g Required: Mass percent of…

Q: A student weighs 1.00 grams of CuSO, on a balance. After heating, the compound weighed 0.638 grams.…

A: SOLUTION: Step 1: The formula of Copper sulfate hydrate is CuSO4.5H2O. Mass of water = Mass of…

Q: Write a balanced equation to show the reaction of aqueous aluminum acetate with aqueous ammonium…

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Q: Calculate the number of moles present in the 48.4 g of a KCl sample. A)Number of moles of KCl is…

A: The number of moles of a given species in the given sample is calculated by the expression (1). In…

Q: 20. How many molecules are contained in each of the following: (a) 1.75 mol Cl, (b) 0.27 molC,H,0…

A: Since you have posted a question with multiple sub-parts, we will solvefirst three sub- parts for…

Q: How many of molecules of water, H2O, are in a glass of 240g water?

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Q: Calculate the moles of hydroxyapatite of an average adult Weight: 65kg, (human bones comprises the…

A: A question based on mole concept that is to be accomplished.

Q: 14. How many C atoms are in 2.15 moles of aspirin, C9H8O4? Space for calculations:

A: As one mole of aspirin has 9 moles of carbon;So, 2.15 mol aspirin has ;  =   9 * 2.15 mol = 19.35…

Q: 2) C3H7OH undergoes combustion as shown in the reaction below. How many moles of oxygen would be…

A: C3H7OH undergoes a combustion reaction to form carbon dioxide and water. In the combustion reaction…

Q: HIN: H-CO-CI: Using: Element H C CI H N O H Atomic Mass (g/mol) 12.01 35.45 1.008 14.01 16.00…

A: Molar mass of the compound A = ?Elements with their atomic masses,ElementAtomic Mass (g/mol)C…

Q: Calculate the number of moles in the following quantities: a.)3.12 g NaHCO3 b.)570 mg ZnCl2 c.)8.9…

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Q: Determine the mass of iodine found in 0.589 mol of Bal2. g iodine

A: From given data, we need to calculate mass of iodine from 0.589 mole of BaI2

Q: please Answer this question in the same format thats in the picture below on paper, answer…

A: Number of moles = Mass/Molar mass

Q: 3-Calculate the molar mass of HCIO,. 45.5 g/mol 145.5 g/mol 100.5 g/mol 65.8 g/mol

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Q: How many grams of sodium bicarbonate are in 4.5 moles of sodium bicarbonate (84.007 g/mole)? O 189.0…

A: Moles = mass/Molar mass

Q: What mass % of calcium is in calcium carbonate?

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Q: Calculate the number of moles of the indicated substance for each of the following samples.…

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Q: 32 Calculate the number of moles of: (a) S2- ions in 6.56 mol of Na,S (b) Mg2+ ions in 8.320 mol of…

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Q: 1. Calculate the percent composition of all elements in photographic fixer solution, Na2S2O3 1) % Na…

A: We have been given two uuestions. In one question, we have been asked to calculate the percent…

Q: 4) 4.00 mole H,0 to grams 5) 815 grams Cal(OH), to mole

A: For 4) moles of H2O = 4.00mol   We know that, molar mass of H2O = 18gNow,mass of H2O = no of moles x…

Q: 1. Derive the emperical formula of the compound that on analysis gave the following percentage of…

A: First calculate the number of moles for each element and divide it by lesser value to calculate its…