In a one-liter sample of pure water at room temperature, there are approximately water molecules. moles of auto-ionized 10-7 10-14 10 1.0

Q: What mass of sodium hydroxide contains 4.58 × 1 0 2 3 formula units?

A: Moles = (4.58*10^23)/(6.023*10^23)              =0.76

Q: How many moles of HCI are in a sample of HCI with a mass of 3.00g? 3.46 0.0823 0.0621 0.0549

A: Moles=GMMM Here, GM is given mass MM is molar mass Given mass is 3g  Molar mass is 36.5 Use this…

Q: You have been assigned to carbonate a two-liter beverage. A typical carbonated beverage contains…

A: Given, Mass of CO2 per litre = 7 g Food acid = tartaric acid

Q: A pure compound containing only rhodium and bromine has the mass percent composition 24.36 % Rh and…

A: Interpretation: A pure compound containing only rhodium and bromine has the mass percent composition…

Q: Question 22

A: One mole of an atom, molecule, or formula unit consists of 6.023 x 1023 atoms, molecules, or formula…

Q: Consider a solution prepared by combining 45.0 g of BaCl2 with enough water to prepare a 750.0 mL of…

A: The number of molecules of BaCl2 is calculated as shown below where 45.0 g is the given mass, 208.23…

Q: Ba(OH)2(aq) + 2 HCI(aq) → BaCl,(aq) + 2 H,O(1)

A: The chemical name of Ba(OH)2 is barium hydroxide. It is a strong base. The chemical name of HCl is…

Q: 38. ** Questions 37 through 39 use the reaction: 2 Fe (s) + 6 HCI (aq) → 2 FeCl3 (aq) + 3 H2 (g)…

A:

Q: a) 0.10 M HNO; b) 0.10 М Н.СО, c) 0.10 M NaOH

A: As we know,  acids has lower pH ,So [H+] ion concentration is higher. Bases has lower [H+] ion…

Q: formula units

A: Formula unit in chemistry is the empirical formula of any ionic or covalent solid network. It is the…

Q: AGNO3 + NaX --> AgX + NaNO3. In the above equation the is used to stand for all the halides.

A: Given :-  AgNO3 + NaX -------> AgX + NaNO3  Halides are the anions of halogens.

Q: aqueous strontium chloride and aqueous lithium phosphate to form solid strontium phosphate and…

A: A balanced chemical equation is one that consists of an equal number of every atom of an element at…

Q: Another method to determine cations is

A: The composition of relatively complex mixtures of metal ions can be determined by using qualitative…

Q: What is the maximum number of moles of Al203 that can be produced by the reaction of 0.40 mol of Al…

A:

Q: How many millimoles (mmol) are present in 1g of Salicylic acid. Molar mass: 138.121 g/mol, Density:…

A:

Q: 2HCl(aq) + Ba(OH)2(aq) ---> BaCl2(aq) + 2H2O(l)   Complete ionic:   Net ionic:

A: The chemical equation is

Q: What species would be left in the beaker after the reaction goes to completion?

A: The desired chemical reaction is: C5H5NHCl+CsOH→CsC5H5NCl+H2O

Q: Given the reaction, 1 3Mg + N2 → Mg;N2

A: "Since there are multiple sub-parts in this question and it is not mentioned that which one has to…

Q: Which of the following compounds forms the highest percentage of hydrate when dissolved in water?…

A: Hydrate means the compound which contains water in the form of H2O molecules or has water as…

Q: Ammonium sulfate (NH,),SO, is most commonly used as an artificial fertilizer for alkaline soils.…

A: Interpretation -  To determine the number of ammonium ion found in 45.15 × 1023 formula unit of…

Q: 2.00 moles of water contain ---- number of water molecules.   Question 11 options:   18.02…

A: Given,

Q: _1. What part of an atom is involved in chemical reactions? C. outermost electron D. innermost…

A: An atom contains three subatomic particles proton, neutron, and electron. The protons and neutrons…

Q: TOTAL IONS would be found in a 0.545 mol sample of silver nitrate, AgNO3

A:

Q: 2. Calculate number of molecules in 2.33 g CH6. molar masses: C = 12.01 g/ mole and H = 1.008 g/…

A: Given: Mass of C6H6 = 2.33 g.

Q: Given the following correct molecular equation, list at least 2 things that are incorrect in the…

A: Given  3Sr( C2H3O2)2 ( aq )  + 2 Li3PO4 ( aq )    ----->  Sr3( PO4 )2 (s)   +  6 LiC2H3O2 (aq )…

Q: Question attached

A: the overall charge on a compound is guided by the charges of cation and anions.

Q: Calculate the number of moles of chlorine in 5.25 g of MgCl2? O 0.0879 mole chlorine O 0.0110 mole…

A:

Q: Label the diagram to correctly convert 1.6 mol Fe203 to mol CaO as per the below Fe203 + Ca3 (PO4)2…

A: Given chemical reaction Fe2O3  +  Ca3(PO4)2 ------> 2 Fe(PO4) + 3 CaO The stoichiometric…

Q: Part A Determine the number of moles of oxygen atoms in each of the following. 4.54 mol H2O2 ? moles…

A: Mole is a standard unit for measuring large quantities of very small entities such as atoms,…

Q: Determine  the molar mass for sodium hydrogen carbonate (baking soda), NaHCO3.

A:

Q: 8) How many moles of NO will contain 7.89 × 1020 m

A: One mole of any compound contain Avagadro number of molecules. Avagadro No. (Na) = 6.022 × 1023

Q: 0.8039 Calculate the average Molarity

A:

Q: Determination of a chemical formula, mass of crucible  is 14.9234g, crucible + dehydrated sample is…

A: According to the given data set,  moles of water, H2O in the sample = 0.01991 mol, moles of Cu =…

Q: Write molecular and ionic the equations reactions for the following conversions) P = P205 = HPO3…

A: the balance chemical reactions are given below

Q: Type of acid in unknown: H3A Molar mass for unknown acid: 192.140 g/mol Balanced chemical equation…

A:

Q: HCl molarity !? 22.7% mass 3.18 g/mL density

A: Given that  Mass % of HCl = 22.7%  Density of HCl solution = 3.18g/mL  22.7% HCl by mass means, 22.7…

Q: Calculate the percent water (by mass) in iron (II) iodide tetrahydrate, Fel2-4H2O

A: The compound given is FeI2.4H2O. Assuming 1 mole of FeI2.4H2O. Molar mass of FeI2.4H2O = Atomic mass…

Q: Determine the formula for the hydrate from the given information: 0.391 g Li2SiF6, 0.0903 g H2O

A: Chemical formula is the notation used by the scientist to present the information about the chemical…

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

A:

Q: Formality is numerically the same as molarity. True O False

A: Molarity of a solution is the number of moles of Solute present in one liter of the solution. It is…

Q: (Compositions of substances and solutions) Explain in your own words what is meant by the mole…

A: Mole concept is measurement of numbers of atoms , numbers of molecules, numbers of ions in bulk…

Q: Calculate the percent BaSO4

A: Mass percent of a individual compound is the percentage of a compound in the total mass of all the…

Q: A 102.7-g sample of nitric acid solution that is 70.0% HNO; (by mass) contains a. 4.53 x 10° mol…

A: Mass/volume percentage- is one of the ways to express concentration of solution. Formula is, Number…

Q: 3. Molecular : Ca(NO3)2(aq) + Hg2I2(s) -> Hg2(NO3)2(aq) + Cal2(aq) Detailed ionic : + + + Net ionic…

A:

Q: 8. Citric acid (abbreviated H,Cit) is a triprotic acid, so 3 moles of hydroxide ions are required…

A:

Q: 1. Which is a Avogadro’s number 2. Which is a mole

A: 1) Given: Avogadro's number.

Q: Type of Compound Formula Chemical Name Binary / Ternary Ionic / Acid/Base/ Molecular Salt/Hydrate

A: 7 Ammonium Hydroxide 8 Ternary 9 Ionic 10 O3PbS 11 Ternary 12 molecular

Q: Chapter 3 - The Mole, Percent Composition, Empirical Formula and Molecular Formula How to calculate…

A: 1. The formula for percent composition is given by

Q: 26. Hydrofluoric acid is a commonly used but very dangerous industrial chemical. A waste drum…

A: Given data in the above Volume of HF in drum = 88.0 L  Concentration of HF = 5.0 mol L-1…