A gaseous mixture contain 32.9 mol % He, 40.7 mol % N2 and 26.4 mol % Determine the composition of this mixture on a mass basis based on the molecu weight given:

Q: What is the number of formula units in a 4.96 mol sample of CaO? number of formula units: ?

A:

Q: 4.738g Copper (II) sulfate pentahydrate to moles

A: molar mass of Copper (II) sulfate pentahydrate is 250 it means 250g contains 1 mole 1 g = 1/250…

Q: Each step in the following process has a yield of 80.0%. CH, +4CL, + CCI, + 4HCH CCI, +2 HF =→…

A: The reactions given are, Given: Percent yield of both steps = 80 %. Moles of CH4 reacting = 5.5…

Q: Complete the table below, so that it lists the initial molarity of each compound, the change in…

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Q: 95.0 mL of 1.9x10-5 M H₂SO4, a sample of acid rain moles mol mass g

A: Answer:Number of moles of a solute in a solution is always equal to the product of molar…

Q: Convert 4.80 x 1021 molecules of H₂O2 to moles H₂O2.

A: Number of molecules of Moles of H2 = ?

Q: Calculate each of the following quantities in 0.150 molmol of C6H14OC6H14O.

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Q: How many moles of CaC₂O4 H₂O are in 132.1 mg CaC₂O4 H₂O?

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Q: What mass of sodium carbonate would you need to prepare a 1.00 L solution of 3.08 M Na₂CO3? Report…

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Q: What is the mass percent of of 0.389g of silicon that reacts with oxygen to form 0.832g silicon…

A: Percent by mass ( w/w)% = (mass of Si/mass of SiO2) × 100 %

Q: Complete the Table: 1. Component Mass of elements element Atomic Molar Compound % composition Weight…

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Q: A ballon originally has a volume of 0.750 and 0.0335 moles of helium and then has 0.0560 moles of…

A: Given  Initial volume of He gas , V1 = 0.750 L Initial moles of He gas , n1 = 0.0335 mol Final moles…

Q: Calculate the number of g of CHI, produced by mixing 190 g I, with excess CH

A: The answer to the following question is given as -

Q: 3. How many grams of NaOH are needed to prepare 500 mL of 0.125 M NaOH? Molar muss 39 908

A:

Q: How many g of Na2SO3 are in 350 mL of 1.10 M solution?   ________ g (give answer with correct sig…

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Q: What is the molarity of a solution prepared by dissolving 37 mol KMNO4 in enough water to make 903 L…

A: Dear student I have given answer to your question in the image format.

Q: Calculate the molar mass of CaCO3 and then calculate the amount of substance in 150.0g CaCO3

A: To calculate the molar mass of CaCO3 we need to know the atomic mass of each elements. And those are…

Q: What is the maximum mass of gallium bromide that can be formed when reacting 41g of gallium with 38g…

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Q: sample of waterer (density is 0.998 g/mL) is measured to be 25.7mL.  How many mole of water are in…

A: Given: The density of water is 0.998 g/mL. The volume of the solution is 25.7mL. The molar mass of…

Q: how many formula units are in 2.5 mol KCI

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

Q: What is the Percent of composition of Ethylene glycol?   molar mass = 62.048

A: Ethylene  glycol- Ethylene glycol (IUPAC name: ethane-1,2-diol) is an organic compound with the…

Q: Convert 12.0g O3 to moles

A: We have to convert 12.0g O3 to moles. Mass of O3 (ozone)= 12 g Molar mass of ozone(O3) = (3×16)g/mol

Q: A 2.984 g sample containing impure CuCl₂ 2 H₂O was heated to constant mass. The sample mass after…

A: Given, mass of impure CuCl2.2H2O = 2.984 g Mass sample after heating to drive off the water = 2.452…

Q: After a hydrate of sodium carbonate weighing 1.000 g is heated in a crucible for 15 minutes to drive…

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Q: How many grams of NaCl are required to react if you to produced 50.0g PbCl2?

A: Mass of PbCl2 = 50 gMolar mass of PbCl2 = 278 g/moleMoles of PbCl2 = Mass of PbCl2 Molar mass of…

Q: Suppose a 250. mL flask is filled with 0.90 mol of CH4, 1.4 mol of H,S and 0.60 mol of H,. This…

A: Equilibrium:- It is a state of the reaction in which neither the reactants nor the products tend to…

Q: What is the molar mass of    sodium g/mol magnesium g/mol

A: given  name of elements Sodium and magnesium to find  molar mass sodium and magnesium.

Q: Suppose a 500. mL flask is filled with 1.3 mol of CH, 0.60 mol of CS, and 1.5 mol of H,. This…

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Q: a chemist adds 110.0 of a 1.63 mol / L calcium bromide (CaBr 2 ) solution to a reaction…

A: The objective of this question is to calculate the mass of calcium bromide (CaBr2) that has been…

Q: What is the number of formula units in a 1.10 mol sample of CaO?

A: Given, Number of moles of CaO = 1.10 mol Number of formula units = ? Note: 1 mol of CaO contains…

Q: Molarity, is the concentration of a solution expressed in terms of moles solute per liter of…

A: Given-> Weight of CuSO4 = 25.718 gm Volume = 157.5 ml = 0.157 L (1L = 1000 ml)

Q: If 0.0458 mol CaCl20.0458 mol CaCl2 is dissolved in water to make a 0.490 M0.490 M solution, what is…

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Q: An organic substance containing carbon, hydrogen, and oxygen was tested by combustion analysis. When…

A: Given that 0.3051 g of CO2 and 0.1249 g of water. The number of moles of an atom can be calculated…

Q: The percentage composition by mass of each element in sodium sulphate, Na2SO4, is what?

A:

Q: How many moles of K₂ CrO4 are in 65.01 g K₂ CrO4? 65.01 g K₂ CrO4 = How many moles of CaC₂O4 H₂O are…

A: Answer: Both the questions are based on the relation between mass, molar mass and number of moles of…

Q: How many g of Na2SO3 are in 350 mL of 1.10 M solution?

A: To solve this problem first we will calculate the number of moles of Na2SO3 in the Solution then…

Q: if 1.095 g of unknown is found to be 0.00723 moles of solute, what is the molar mass of the unknown.…

A: Given: Mass of the unknown sample (Solute)=1.095 g Moles of the sample (solute)=0.00723 mol The…

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.