How many ug arsine present in a sample contains 6.2 parts per billion arsine, if the weight of the ?sample is 733 g 118.22 O 4.54 O 4544.6 O 0.0084 O

Q: What is the mass (in grams) of 2.40 x 1024 CS2 (tear gas) molecules? [Note: Molar Masses (g/mole): C…

A: Atomic mass of C = 12 g mol-1 Atomic mass of S = 32.1 g mol-1 Number of CS2 molecules = 2.40 × 1024

Q: Determine the carbon mass in a 0.254 gram sample of CO2 . 0.06932 gramsCarbon 0.0450o gramScarbon|…

A:

Q: 36. How many grams are there in 0.023 moles hexachloroplatinic acid (H2PTC16)? H = 1 g/mol Pt =…

A: No of moles = weight/ Molar mass Hence Weight = moles * Molar mass

Q: 21. What is the molar mass of baking soda (NaHCO3)? a. 84.0 g b. 52.0 g c. 201.2 g d. 45.5 g a O b C…

A:

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: How many moles of carbon dioxide could be produced if 10 moles of octane, C 8H 18, are combined with…

A: C8H18 +25O2->16CO2 +18H2O

Q: Suppose you have two samples that are equal in weight, 24.824.8 g VV and 24.824.8 g Cr2O3Cr2O3.…

A: Given, Mass of V = 24.8g. Mass of Cr2O3 = 24.8g.

Q: Calculate the number of moles in each of the following samples: 10) 3.69 x 1024 atoms of uranium, U…

A: Given samples: 3.69×1024 atoms of uranium, U 7.54×1023 molecules of H2O 76.9 g of BaSO4 146.2 g of…

Q: How many sodium cations are there in 20.0 g of sodium phosphate (Na3PO4 163.94 g/mol)?

A: * Mass of sodium phosphate = 20.0 g * Moles of Na3PO4 = Mass of Na3PO4 / molar mass of Na3PO4 = 20.0…

Q: What is the mass of 2.84 mol H2O? 3.05 g 51.2 g 28.4 g 3.48 g

A: We have to predict the mass of water.

Q: Fill in the following table, show your work. Substance Mass (g) Moles (mol) Molecules (molec) N2…

A: Number of moles present can be determined by dividing the mass of the substance by its molar mass…

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: Determine the molar mass of Al₂(SO₄)₃･5H₂O

A: molar mass of Al₂(SO₄)₃･5H₂O. The molar mass can be calculated, first of all. Write individual…

Q: On Earth, there are roughly 200 million insects for every single human being. If the current world…

A: Given data: The number of the insect present in every single human=200 million. The total number of…

Q: Calculate the molar mass of calcium nitrate. O 132.10 g/mol O 136.03 g/mol 102.09 g/mol O none of…

A: Molecular  mass of the compound is the sum of the atomic mass of all the atoms present in compound.…

Q: How many moles are contained in each number of grams of table sugar (C 12H 22O 11, molar mass 342.3…

A: Given data molar mass of sugar ( C12H22O11 ) = 342.3 g/mole   mass of sugar part(a) 0.500 g…

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

A:

Q: Which sample has the largest number of oxygen atoms? a. 3.0 mol H20 b. 2.5 mol of CO2 c. 2.0 mol of…

A:

Q: The moler mass of sulfur tetrafluoride is A. 54.10 g\mol B. 358.60 g/mol C. 108.07 g/mol D.…

A:

Q: The molar mass of Fluorine (F) is 19.0 g/mol. Calculate the molar mass of F2. O 6.31 x 10-23 g/mol…

A: Molar mass of a compound is the sum of individual elements multiplied by their molar masses.

Q: how many moles of atoms are contained in the following  44.0g Br2 14.8 g CH3OH 4.20 lb ZnI2 25.0…

A: We know that ,no.of mole = Mass / molar mass  1.  No.of mole of 44.0g Br2 = 44/ 159.808= 0.27 2.No.…

Q: 25.0 g sample of Ca(NO3)2.

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: What number of atoms of nitrogen are present in 8.54 g of the following? dinitrogen tetroxide

A: Number of molecules of dinitrogen tetroxide (N2O4):

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

A:

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: what is the empirical formula of 81.8 grams Carbon 18.2 grams and the molecular formula of Hydrogen…

A: Carbon - 81.8 g Hydrogen - 18.2 g Moles of carbon = 81.8 g12 g                            = 6.81…

Q: A compound has the composition given in the table below. Molar masses of the elements are also…

A: Empirical formula represents the simplest whole number ratio of elements that are present in a…

Q: Question attached

A: Given data, Molar mass of Mg = 24.31 g/mol. Molar mass of Cl = 35.45 g/mol. Calculating the mass of…

Q: Complete the table below for calculating the molar mass of the compound silicon dioxide. Mass in one…

A: We have to calculate the molar mass of silicon dioxide.

Q: 2 C3H18 (1) + 25 O2 (g) --> 16 CO2 (g) + 18 H2O (g) determine the mass in grams of carbon dioxide…

A:

Q: A compound is determined to be 51.8% chlorine, 1.47% hydrogen, and 46.7% oxygen by weight. The…

A: Welcome to bartleby ! Introduction : We have to calculate the molecular formula .

Q: Acetone is a well-known industrial solvent with a molecular formula of: C3H60. Calculate for its…

A:

Q: What is the molar mass of calcnum chloride hexahydrate! a 75.53 g'mol, b.111.0 gmol c 1170 gmol d.…

A: The answer to the following Question is:

Q: The molar mass of sodium fluoride is A. 51.1 g/mol B. 42.0 amu C. 42.0 g/mol D. 20 g/mol E. 25 g/mol

A:

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: B. Calculate the number of moles contained in each of the following samples. 13) 1.06 x 1025 atoms…

A: Number of moles = number of atoms of a particular element/Avagadro's number  Avagadro's no. (NA) =…

Q: Obtain the moles

A: Number of moles = mass/molar mass        Since you have posted a  question with sub-parts , we are…

Q: Consider Fe2(SO4)3+ 6H2O + 6NH3 → 2Fe(OH)3 + 3(NH4)2SO4. Calculate the mass of (NH4)2SO4 produced…

A: Consider the given balanced equation is as follows; Equation:       Fe2SO43  +  6 H2O  +  6NH3   →…

Q: A mole of the water is: 12.0000 g H2O one H20 molecule O 6.02 x 1023 g H2O 6.02 × 1023 H20 molecules…

A:

Q: Number of molecules are Contained in ¥5,0g O is ? 23 6,022 ye 1o malecules 24 malecules mole cules

A: 1 mole of any substance contains Avogadro's number of molecules. Avogadro's number = 6.022×1023

Q: The molar mass of a sulfur molecule (Sg) is a 32.05 g/mol b 140.0 g/mol c 256.5 g/mol d None of the…

A:

Q: Part C In the gaseous state, chlorine exists as a diatomic molecule Cl2 (Molar mass = 70.9 g/mol).…

A:

Q: A compound has the following % composition data 49 48% Carbon 5.15% Hydrogen 28.87% Nitrogen 16.49%…

A:

Q: A compound has the composition given in the table below. Molar masses of the elements are also…

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

Q: How many grams are in 0.500 moles of sodium bicarbonate? O 42.0 g O 42.0035 g O 0.00595 g O 40 g

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

Q: What is the molar mass of aspirin, C9H804? A)252.25 g/mol B)180.17 g/mol C)244.17 g/mol D)116.08…

A: Molar mass = sum of atomic mass of all the atoms present in the molecule Since each molecule of…

Q: what is the empirical formula of 26.4 % Carbon 3.3 % Hydrogen 70.3 %  and the molecular formula of…

A: Element percentage atomic mass %/mass simplest ratio no. of atoms C 26.4 12 2.2 2 2 H 3.3 1 3.3…

Q: Determine the mass of 3 moles of Silver Nitrate, AgNO3. Mm 0 = 15.999 , N= 14.004 and Ag = 107.900 g…

A: Moles of AgNO3 = 3 Mass of 3 moles of AgNO3 =?

Q: Number of atoms in 0.2 g molecule Br3O3 is (molar mass of Br3O8 is 368 g mol-') (1) 0.22 NA (2) 2.2…

A: Given: Mass of Br3O8 = 0.2 g And molar mass of Br3O8 = 368 g/mol.