You have 28.83 liters of oleic acid. Find the number of molecules in this sample. Oleic acid has a molar mass of 282.47 grams per mole and a density of 0.895 grams per milliliter. Avogadro's number is always 6.022 × 1028 molecules per mole. Round to two decimal places. x 1025 molecules

Q: A compound was found to have the following composition by mass: 28.03% Mg, 21.60% Si, 1.16% H, and…

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Q: If the sample has a molar mass of 176.0 g/mol, what is the molecular formula of the sample?

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Q: Convert 8.04 x 1021 molecules/formula units of X4Z4 into grams of the same compound. (Assume that…

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Q: A compound with a molar mass of 164.12 g/mole is 58.54 % carbon (12.01 g/mole), 2.46% hydrogen (1.01…

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Q: Without using a calculator, arrange the samples in order of increasing numbers of carbon atoms.…

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Q: 39. Calculate the number of molecules present in each of the following samples. a. 4.75 mmol of…

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Q: Three elements, A, Q, and Z, have the molar masses indicated in the table below. Given a compound…

A: empirical formula has to be determined using the given data

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Q: Convert 7.22 x 1021 molecules/formula units of X,Z6 into grams of the same compound. (Assume that…

A: 1 mole = 6.022×1023 [ Avogadro's number ] The mass of one mole molecules of the substance is called…

Q: Write the chemical formula for each compound, and then calculate the amount in moles in each sample.…

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Q: What is the total number of oxygen atoms on the right-hand side of this chemical equation? 6…

A: Given chemical equation:                             6CO2(g) +6H2O(l)→ C6H12O6(s) + 6O2(g) Symbol of…

Q: 1. 5.00 g of an organic compound was found to contain 2.73 g of carbon, 0.46 g of hydrogen and 1.81…

A: mass of organic compound = 5.00 g mass of carbon = 2.73 g  mass of hydrogen = 0.46 g mass of…

Q: A compound is 54.53% C,54.53% C, 9.15% H,9.15% H, and 36.32% O36.32% O by mass. What is its…

A: The formula of a compound in which elements are represented in simple ratio is called empirical…

Q: a) What is the mass of 2.450 x 10²⁴ atoms of tungsten (# 74)? (Be sure to write your units, chemical…

A: The solution is shown in the image below-

Q: Elemental analysis of a compound with molar mass 214.22 g/mol gives the following mass percent…

A: Given data,Percent of C=72.89%Percent of H=4.71%Percent of O=22.41%Molar mass of…

Q: What number do you get if youdivide the mass of 1 mol of waterby the mass of 1 molecule of water?

A: 1 mole of atoms refer to the total number of protons multiplied by the atomic mass unit and avogadro…

Q: Opal is a hydrated form of silica. If a laboratory analysis of a sample of opal reveals it to…

A: Hydrated form of silica means some of water molecules are present in form of H2O in silica compound.

Q: How many grams are there in 4.5 x10 22 molecules of MgBr ,? O 1.47 x 10 44 g 8.28 x 10 24 g 0.075 g…

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Q: How many molecules are there in 0.500 moles of sugar, CgH1206? 90 molecules G 3.01 x 10 23 molecules…

A: Given : Moles of sugar = 0.500 mol.

Q: The number of atoms of sulfur in 32 g of sulfur is 6.022 x 1023 32 3.2 x 1023 32 x 6.022 × 1022

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Q: What is the empirical formula of a molecule containing 65.5% carbon, 5.5% hydrogen, and 29.0%…

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Q: Determine the number of moles in: (a) 100 grams of magnesium hydroxide (Mg=24, O= 16, H=1) (b)1.75 x…

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

Q: compound has the mass percent data given below . Determine its empirical formula. 32.43 % carbon by…

A: Empirical formula of a chemical compound is the simplest positive integer ratio of atoms present in…

Q: Calculate the number of grams in 5.03 x 1024 molecules of SOCl2.

A: Given: molecules of SOCl2 = 5.03×1024 molar mass of SOCl2 = 118.97 g/mol

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A: Whether they combine to form any substance has to be determined The number of molecules would be…

Q: In the laboratory, a student weighs out 0.0852 g of cobalt on balance. How many atoms of cobalt…

A: Molar mass of an element represents the mass of one mole of the element.

Q: In an experiment 0.500 g of nickel reacted with air to give 0.704 g of nickel oxide. What is the…

A: Given data,Mass of Nickel=0.500gMass of Nickel oxide=0.704gMass of oxygen=Mass of Nickel oxide-Mass…

Q: How many molecules are there in 1.77 moles of NaF? O 1.07 x 10 24 molecules O 254 x10 22 molecules O…

A: In 1 Mole of any compound, there are avogadro no. Of molecules, ie., 6.023*1023 molecules.

Q: Given molar mass, find the mass in grams of each of the following substances: 2.11 x 1024 201 x 1023…

A: 3. Given that : The number of molecules of CH4 = 3.990 x 1025 molecules The molar mass of CH4 is…

Q: 81. A compound having an approximate molar mass of 165–170 g has the following percentage…

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Q: Solve the attached

A: Hello. Since your question has multiple questions, we will solve the first question for you. If you…

Q: 2 NH3 + 3 CuO → 3 Cu + N₂ + 3 H₂O In the above equation, how many grams of N₂ can be made when 6.1…

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Q: What amount of oxygen, O2, (in moles) contains 1.8x1022 molecules? А. 0.0030 В. 0.030 С. 0.30 D. 3.0

A: Given that :- O2 contains 1.8 × 10²² molecules

Q: How many moles of HCl are in 30.6 g HCl? Express your answer in millimoles. (atomic weights: H=1.01;…

A: • Thus, 839 millimoles of HCl are in 30.6 g HCl in correct number of significant figures.

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A: Given, Mass of TiO2 = 35g. Mass of Cl2 = 38g. Mass of C = 11g. The balanced reaction for the…

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Q: 1.00 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

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Q: The composition of a compound was found to be 66.7% C, 25.9% N and 7.41% H by mass? What is the…

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Q: empirical formula?

A: We can determine the empirical formula by taking the molar ratio of elements.  We can take the…

Q: ALLFORONE (C3xH11ClxNOxPS) is an organophosphate pesticide that is used to protect properties from…

A: One mole of any substance contains approximatly 6.022 x 1023 molecules or atom or particles of that…

Q: What is the empirical formula of the compound?

A: The empirical formula is defined as the lowest whole number ratio of  elements present in a compound

Q: 2 NH3 + 3 CuO → 3 Cu + N₂ + 3 H₂O In the above equation, how many grams of N₂ can be made when 18.4…

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Q: Without doing any detailed calculations (but using a periodic table to give atomic weights), rank…

A: Each mole of any molecule contains Avogadro no of molecules i.e 6.023x10^23. It is true for every…

Q: 11) How many grams are in 2.05 x 10 molecules of dinitrogen pentoxide (N,O)? A) 36.8 g B) 0.315 g C)…

A: Note : As per our guidelines, we are supposed to answer first question. Please repost other question…

Q: Elemental analysis of a sample containing only B and H shows that it contains 479.4 g of boron…

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Q: Arrange the quantities from largest to smallest in terms of mass: = 1.35 moles of Cu = 2.51 x 1024…

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Q: How many molecules are there in 31.8 moles of water? O 1.91 x 1022 molecules O 1.91 x 1025 molecules…

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Q: Convert 1.43 x 10^23 molecules/formula units of X5Z3 into grams of the same compound. (Assume that…

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Q: What number of molecules (or formula units) are present in 3.07 g of each of the following…

A: Given,  Mass of each compound = 3.07 g  Then,  Find number of molecules in = ?  a). NH3  b). N2H4…

Q: The number of moles in 36 grams of water is O 2 1 O 20

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".