A. How many grams of B are present in 3.48 grams of boron trifluoride ?  _______grams B. B. How many grams of boron trifluoride contain 1.76 grams of F ? _______ grams boron trifluoride.

Q: Find the number of molecules in 55.0 g of acetaldehyde (C2H4O).

A: ∘ no. of moles = given massmolar mass∘ 1 mole = 6.023×1023 molecules∘molar mass of (C2H4O) =…

Q: How many grams of C are present in 4.19 grams of carbon tetrafluoride?   How many grams of carbon…

A: Given   (i)   Mass of CF4  = 4.19 gram       Mass of carbon = ? (ii)  Mass of F = 4.61 gram…

Q: Use the equeation for questions below Cl2+F2 -->ClF3 How many grams of CLF3 form from 130.0 grams…

A: The value is given as follows:

Q: A sample containing 15.23 moles of calcium fluoride is equal to how many gram

A: A gram is a scientific unit of mass that was defined as the actual weight of a volume of distilled…

Q: Number of atoms of C in 17 moles of CH19 are: O 7.06x10^23 O 102.37x10^23 O 409.50x10^23 O…

A: Given, 17 mol C4H10

Q: 1. How many GRAMS of boron are present in 1.31 moles of boron trifluoride ? grams. 2. How many MOLES…

A: Given: The number of moles of boron trifluoride is 1.31 moles. The chemical formula of boron…

Q: Compare 1 mole of H2, 1 mole of O2, and 1 mole of F2.(a) Which has the largest number of molecules?…

A: (a) Mole is SI unit which is used to measure the quantity of the substance. It is the quantity of a…

Q: How many moles of C are present in 2.90 moles of naproxen

A: We have to find the number of carbon moles in 2.90 moles of naproxen.The chemical formula of…

Q: Calculate the mass in grams of the given values 0.75 mole of H2SO4

A: Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.

Q: What is the mass of 0.10 mole of methane (CH,)? A 0.10 gram 1.00 gram 1.60 grams D 16.00 grams

A:

Q: number of atoms in 37 g of vanadium

A:

Q: A hydrocarbon contains 80% C.In 1 mole of it there are as many grams-H as it contains 54 grams of…

A: First of all we calculate the molar mass of the compound using the mass of water Molecule produced.…

Q: 13. How many moles are represented by 3.01·10“ helium atoms? 5 moles 0.75 moles 0.50 moles 1 mole

A: Given: no of helium atoms = 3.01 x 1023 atoms We know that, Avogadro number, NA = 6.02 x 1023 atoms

Q: 3. Over the course of treatment, patients typically receive a total of 1.00 g of Remdesivir. Compute…

A:

Q: Show all steps in the answers for the following questions and use significant figures in the…

A:

Q: What is the molar mass (in kg/mol) of methane (CH4)? 1 6 H 1.008 12.00 7. 0.01701 kg/mol 0.01564…

A: Molar mass of a substance is basically the sum of total mass of all the atoms to make a mole of that…

Q: alculate the number of moles of He atoms present in 4.65 g of H

A: Number of moles = weight / atomic weight    Given ,  weight = 4.65g Atomic  weight of He = 4 g/mol

Q: A sample contains 0.687 mol H3PO3. What is the mass of H3PO3in the sample?

A: Given that, Moles of H3PO3 = 0.687 mol  Molar mass of H3PO3 = 82 g mol-1 Then,

Q: What is the empirical formula for the compound made from Y3+ and Cl? Select one: a. YCI3 b. Y3CI c.…

A: Empirical formula is simple whole numbered ratio of atoms present in compound.

Q: 1. How many moles of Sc are there in a sample that contains 14.6 grams of scandium? moles 2. How…

A: The moles and mass of the element are related to each other by the formula given below as;…

Q: A compound contains 0.01293 moles of V and 0.03325 moles of Cl.  Calculate the ratio of moles of Cl…

A: Record the given data, The number of moles of compound V = 0.01293 moles The number of moles of…

Q: 1. How many MOLES of dioxygen difluoride are present in 1.20 grams of this compound ? moles. 2. How…

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

Q: how all work in your notebook, including dimensional c Combination/s 30z → 2 Fe2O3 a) How many moles…

A:

Q: How many MOLES of xenon trioxide are present in 4.37 grams of this compound ? moles.  How many…

A: Answer :- Below I have explained the step by step solution hope this will really gonna help !!!…

Q: 1. How many moles would contain 32.0 g of C ?

A: Given: The atomic mass of Carbon=12 g/mol The given mass of Carbon=32 g

Q: A friend asks you to help her find the percent composition by mass of ethane (C,H). She says that…

A:

Q: The number of atoms of oxygen in a 0.01800-g sample of O3(g) is equal to the number of molecules in…

A: Given in the question : Mass of O3 = 0.018 g Mass of other hydrocarbon sample CxH6 = 0.06085 g Given…

Q: Part C How many moles are in 20.0 g of MgCl2 ? Express your answer to three significant figures.…

A: Mole concept:  A mole  is the quantity of a substance that contains atoms, molecules, ions,…

Q: Determine the mass, in grams, of 0.725 moles of Pb (1 mol of Pb has a mass of 207.2 g).

A: We know,  Number of mole=given masss/molar mass Given mass=Number of moles x molar mass

Q: A compound contains 0.01238 moles of V and 0.02341 moles of Cl. Calculate the ratio of moles of Cl /…

A: A compound contains 0.01238 moles of V and 0.02341 moles of Cl. We have to calculate the ratio of…

Q: 3. The average atomic mass of an atom is expressed in c. g/mol d. moles a. grams b. amu 4. Which…

A: The answer to the given question is as follows------------- The number of moles (n) = Mass (W)/Molar…

Q: 1. How many GRAMS of manganese(II) oxide are present in 2.43 moles of this compound ? ??? grams.…

A:

Q: 1. How many GRAMS of nitrogen are present in 4.54 moles of nitrogen monoxide ? grams. moles. 2. How…

A: Given, moles of nitrogen monoxide(NO) = 4.54 moles we can see that 1 moles of NO contains 1 moles of…

Q: 1. How many grams of C are present in 3.05 grams of carbon tetrabromide ? grams C. 2. How many grams…

A: 1 mole = 6.022×1023 [Avogadro's number] The mass of one mole of atoms of an element is known as…

Q: How many mole of C13H18O2 contain 7.4x10'25 atoms of C

A: The given compound is C13H18O2. The question is 7.4 * 10^25 atoms of Carbon are present in how many…

Q: 30. A sample of a compound containing only S and Cl contains 2.72g S and 6.04g Cl. Another sample of…

A: given data = a sample compound only containing S and Cl S = 2.72 g, Cl = 6.04 g another sample of…

Q: 3. The average atomic mass of an atom is expressed in c. g/mol a. grams b. amu d. moles 4. Which…

A: Choose the correct option of the following --

Q: You have 73.56 g of siver nitrate. How many moles of oxygen atoms are present?

A:

Q: Take Hg(l) + Br2(aq) 2Br^-(aq) + Hg2^+(aq) If 4.20 grams of Hg are consumed, how many grams of…

A: Calculation of mass of product formed using stoichiometry of a reaction:

Q: What is the mass of 4.9 moles of N2O5?   a.   52.92g   b.   5.292g   c.   0.5292g…

A: We have given the moles of N2O5 = 4.9 mole

Q: Determine the mass in grams of 5.15 × 10²¹ atoms of chromium. (The mass of one mole of chromium is…

A: Molar mass of any substance is the mass of one mole of substance and one mole of substance contains…

Q: please answer this question correctly. dont just give an answer, please include brackets,…

A: A mole is a unit of measurement for atoms, molecules, and ions just like other units are there for…

Q: The FM for a compound is 15.26. What is the mass of 1 mol of that compound

A: Number of atoms, ions and molecules present on a given amount can be determined by “Mole Concept”.…

Q: Which has the most F atoms: 3 g CH3F , 3 g HF , or 3 g KF ?

A:

Q: 1. How many GRAMS of phosphorus are present in 2.39 moles of phosphorus triiodide ? grams. 2. How…

A: The molar mass of phosphorus triiodide (PI3) is 411.69 g/mol The molar mass of phosphorus is 30.97…

Q: 1. How many grams of B are present in 1.31 grams of boron trifluoride ? grams B. 2. How many grams…

A: The number of moles of an element is mathematically expressed as given below: where: n, m, and M…

Q: III. Find the number of moles of the following: A.56.1 g of Zn(C₂H302)2 B.232 g of Na3PO4

A:

Q: How many grams of C are present in 1.66 grams of carbon tetrachloride?  how many grams of carbon…

A: To calculate the mass of constituents present in a compound, we must have the molar mass of…

Q: 1. How many MOLES of boron trichloride are present in 4.21 grams of this compound ? moles. 2. How…

A:

Q: Determine the mass, in grams, of 0.750 moles of Si (1 mol of Si has a mass of 28.09 g).

A: Data given, Number of moles of silicon (Si) = 0.750 moles  Molar mass of silicon (Si) = 28.09 g/mol…

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.