How many bromine atoms are contained in 8.94 moles of bromine molecules?

Q: How many moles of N₂H4 are in 3.94 x 1022 molecules?

A: N2H4 is called as hydrazine. It is a hydride of group-15 elements.

Q: A flask contains 0.470 mol of liquid bromine, Br2. Determine the number of bromine molecules present…

A: It is given that there is 0.470 mol of liquid bromine.

Q: Determine the number of molecules in 28.6 grams of SO₂.

A:

Q: Complete the table. Element Moles Mass Cr 0.00442 Fe 73.5 mg Ti 1.009 x 10-3 Hg 1.78 kg

A: Mole is represented by the symbol mol. It is unit of measurement of substance. Mass is defined as…

Q: Determine the number of molecules of SO3 and atoms of oxygen contained in 0.881 g of SO3.

A:

Q: A flask contains 0.390 mol of liquid bromine, Br2. Determine the number of bromine molecules present…

A: Given, Number of moles = 0.390

Q: Determine the number of molecules in 41.3 grams of NH₃.

A:

Q: Determine the mass in grams of 3.2 moles of Ca(OH)2.

A: We know that, moles can be expressed as,                          or, mass of solute = Number of…

Q: ow many ozone (O3) molecules are present in 24.0 grams O3?

A:

Q: How many moles are in 33.1 g of SO3? How many molecules does it contain?

A: Amount of SO3 given = 33.1 g Moles Of SO3  = To be determined No of Molecules of SO3 = To be…

Q: Complete the following table. Mass of Sample Moles of Sample Molecules in Sample Total Atoms in…

A:

Q: A particular carborane has the following mass percentages: 67.09%B and 21.30%C.What is the empirical…

A: Step 1: Recall that carborane contains the elements carbon (C), boron (B), and hydrogen (H).  Assume…

Q: Determine the number of molecules in 42.5 grams of SO2.

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

Q: Complete the following table. Mass of Sample Moles of Sample Molecules in Sample Total Atoms in…

A: The question is based on mole concept The formula used and solution is given in the picture

Q: How many fluorine atoms are present in 5.85 g of CF4?

A: Given, Mass of C2F4 = 5.85g

Q: How many moles of carbon dioxide are present in 1.03x10^23  molecules of this compound?

A:

Q: Complete the table below for calculating the molar mass of the compound disulfur decafluoride.

A: We have given a compound disulfur decafluoride. We have to complete the given table for calculating…

Q: Calculate the total number of oxygen ATOMS in 1.926 g of magnesium perchlorate.

A: The total number of atoms available in the molecules of any particular substance is referred to as…

Q: Consider a sample of aluminum nitrate that contains 1.72 × 10²⁴ atoms of nitrogen. Determine What…

A:

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: Determine the number of molecules in 34.8 grams of CO₂.

A: Molar mass of CO2 = 44.01 g/mol Molar mass of CO2 = mass of one mole of CO2 = mass of 6.022×1023…

Q: What is the mass, in grams, of 7.70×1020 molecules

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Q: How many grams of chlorine are present in 45.0 g of CCl4?

A: Answer:- This question is answered by using the simple concept of calculation of mass of any element…

Q: Determine the number of molecules in 38.6 grams of CO₂.

A: Number of molecules in 38.6 g of CO2 can be calculated as :

Q: Determine the number of molecules in 16.1 grams of SO₂.

A:

Q: What determines the strength of an acid?

A: Acid is species that can donate protons i.e. hydrogens. An acid gets its characteristics from the…

Q: Chemical Composition 1. If you have 3.65 g of Ba(OH)2, how many moles of Ba(OH)2 do you have?

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Q: Florasulam is an herbicide with the chemical formula C12H8F3N5O3S. Answer the questions below…

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Q: How many molecules are there in 345.2 grams of HCl?

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

Q: What mass of compound is present in 7.60 moles of each of the following compounds? a.) Ca3(PO4)2 b.)…

A: In chemistry, number of moles refers to a unit of amount. It can also be defined as the mass of a…

Q: How many N2 molecules are in 473.2 grams of N2?

A: Given that   Amount of Nitrogen gas N2 = 473.2 grams The molar mass of Nitrogen N2 = 28 gm/mol To…

Q: How many moles of potassium cyanide, KCN, are present in a sample containing 67.1 grams of the…

A: Given, Mass of potassium cyanide (KCN) = 67.1 g Moles of potassium cyanide (KCN) = ? Note:  Molar…

Q: Holy many moles of CO2 are contained in 42.0 x 1024 molecules of CO2?

A:

Q: You are given a 10.0 grams sample of ethanol (CH3CH2OH).   Explain how you can use the molar mass of…

A: The Avogadro’s number of any species is defined by a mole. The Avogadro’s number, NA, is equal to…

Q: A 115 g sample of dry ice, CO₂, contains how many moles? 3.22 x 103 mol 4.11 mol 28.0 mol 2.61 mol…

A:

Q: An air conditioner compressor contains pure CClF3, also known as the refrigerant R-13. CClF3 has a…

A: We know that, density can be expressed as the mass per unit volume, i.e.…

Q: An unknown compound contains 53.34% rhodium, 9.338% carbon, and the rest is oxygen. a) If you assume…

A: Given a compound with the composition: Rh = 53.34 % C = 9.338 % O = 100 - (53.34 + 9.338) % = 37.322…

Q: osmium by mass. a) If you assume 100.0 g of the compound, what is the mass in grams of osmium that…

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

Q: A sample of naphthalene was analyzed in the laboratory and it was determined that the sample…

A: Number of moles (mol) = Given mass (g)Molar mass (g/mol)Given that:Number of moles= 0.457 molesMolar…

Q: How many molecules are there in 12.5 g of NaOH

A: Number of Mole- Ratio of given mass of substance to the molar mass of substance is called number of…

Q: mercury occurs as a sulfide one called cinnabar, Hgs. How many moles of HgS are contained in a…

A:

Q: What number of Ti atoms and what amount (moles) of Ti atoms are in 700.0 g of titanium?

A: a) To calculate moles from given mass, we use molar mass . The formula is given as : Moles…

Q: 3. How many potassium ions are contained in 5.62 g of potassium phosphate, K3PO4?

A:

Q: Complete the following table. Mass of Moles of Sample Molecules in Sample Total Atoms in Sample…

A: Answer shown in attachment provide in explanation box Explanation:

Q: How many moles of water, H2O, are present in 75.0 g of H2O?

A:

Q: How many molecules of NaOH are there in 20.0 grams of NaOH?

A: Atoms are made up of electrons, protons and neutrons. Protons are positively charged particles,…

Q: How many moles of atoms are present in 5 moles of Al(OH)3?

A: To determine the number of moles of atoms present in 5 moles of Al(OH)3 , we need to consider the…