Explain the difference between “true” molar mass and “equivalent” molar mass.

Q: the volume of 5.00 M KBr needed to have 1.00 mol KBr

A: Given data,   Molarity of KBr = 5.00 M = 5.00 mol/L Number of moles of KBr = 1.00 mol

Q: Consider a compound where it is determined that 0.576 g are equivalent to 0.0054 moles. What is the…

A: Given,Gram equivalent = 0.576 gMoles = 0.0054

Q: What is the mass percent of glucose (MW = 180 g/mol) if 0.0400 moles of glucose is added to 0.500 kg…

A:

Q: What volume of a 1.50 M lithium hydroxide (LiOH) would contain 0.45 moles of LiOH?

A:

Q: What are the units for molar mass

A: The molar mass is defined as the mass of a sample of that compound which when divided by the amount…

Q: How many moles of aluminum oxide can form if 26.2 moles of Al metal react with an unlimited amount…

A: The reaction taking place is  Al (s) + O2 (g) -----> Al2O3 (s) Balancing : Since we have 3 O in…

Q: The density of solution prepared by dissolving 60 g of sucrose (molar mass= 342 g/mol) in 900 g of…

A: Given data: The density of the solution is 1.96 g/mL. The mass of water is 900 g. The mass of…

Q: What is the molar mass of NaOH?

A: The molar mass of a compound is defined as the mass of the compound present in one mole of the…

Q: Determine the molarity of a solution formed by dissolving 19 g of NaBr in enough water to yield 755…

A: Number of moles of a substance is equal to the mass of a substance divided by its molar mass.

Q: e molarity of

A:

Q: A gas mixture is composed of 2.0 moles N2 and 1 mole H2. Calculate the average molar mass of the gas…

A: Given: 2 moles of N2 1 mole of H2 2 moles of N2 has mass 2*28 = 56 gram 1 mole of H2 has mass 2 gram…

Q: e molar concentration

A: solution:

Q: Molar mas of

A:

Q: The concentration of urea in a solution prepared by dissolving 16 g of urea in 30 g of H20 is % by…

A: Percent ratio of  mass of solute and mass of solution is known as mass percent concentration.

Q: Differentiate between Mass Percentage, ppm, and ppb?

A: Mass Percentage, ppm, and ppb has to be differentiated.

Q: Distinguish among the terms solution,solute, and solvent.

A: A solution is a homogeneous mixture of two or more substances and the particle size is usually…

Q: Consider the fictional element A (which has a molar mass of 7.00 g/mol) and the fictional element D…

A: Given : Molar mass of A = 7.00 g/mol. Molar mass of D = 13.00 g/mol. Mass of hydrate compound of AD3…

Q: A solution is prepared by dissolving 18.3 of CaCl2 in 406g of water. The density of the resulting…

A: Molarity is the number of moles per litre of solution. Volume = mass/density

Q: o A solution of volume (300 ml), and if the solution contains (C6H1206) (Molecules (N)= 3.01x 1023),…

A: 1 mole = 6.022 x 1023 molecules 3.01 X 1023 molecules= 0.5 moles molarity= 0.5*1000/300= 1.66M

Q: Determine the quantity (grams) of pure MgSO4 in 2.4g of MgSO4 x 7H2O.

A: Given: Mass of MgSO4 x 7H2O = 2.4g Molar mass of MgSO4,                                   = 24.3 +…

Q: You wish to prepare a solution that is 12% sodium chloride by mass (m/v%). How much sodium chloride…

A: For preparation of particular solution, the weight of solute and volume of solution must be known.…

Q: How many moles of Ba(OH)2 are present in 275 mL of 0.600 mol L-1 Ba(OH)2? Express your answer…

A: Volume of Ba(OH) 2= 275 ml = 0.275 L Molarity of Ba(OH) 2 = 0.600 mol L —1

Q: The density of solution prepared by dissolving 120 g of sucrose (molar mass= 342 g/mol) in 1000g of…

A:

Q: average molar mass of

A:

Q: What is the molar concentration of the unknown sample (in mole L)?

A:

Q: present

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

Q: Complete the table.   Mass Solute Mass Solvent Mass Solution Mass Percent 15.3 g 248.1 g _____…

A: Mass percent can be calculated using the following formula.

Q: Determine the quantity (g) of pure CaCl2 in 7.5 g of CaCl2•9H2O. Please show the steps involved.

A: Number of moles of CaCl2.9H2O can be calculated from the given mass and molar mass:

Q: Explain the significance of a pa rtial molar quantity and how it depends on composition.

A: A partial molar property is a thermodynamic quantity that shows how a solution or mixture's…

Q: What are the methods of finding partial mole volume? Write their names.

A: The partial molar volumes VA and VB in a binary mixture can be evaluated by the method of intercepts

Q: What is the molar volume of solid quartz, SiO2?(density =2.65g/cm3) (molar volume is the volume…

A: Introduction: Quartz is a crystalline compound with molecular formula SiO2. The structure is framed…

Q: How many moles are needed to prepare  95ml of 18%(mVmV)  HCl ?

A: Given :- %(m/v) = 18%            volume of solution = 95 mL             Molar mass of HCl = 36.45…

Q: A) TTempersture Į vohime v Molarity ↑ Molority B.) ↑ Tempersture ↑ volume c.) V Molbvity C.) v…

A: Option D is correct answer.

Q: what is the mass of h2so4 sulfate acid contained in 150 grams of solution, if the mass fraction of…

A: mass fraction of substance =mass of  substance/mass of solution on substituting 0.25 = mass of…

Q: What quantity in moles of Kbr are there in 46.3ml of 0.150M KBr?

A: We have to predict the moles of Salt.

Q: Which of the following is the molar mass of CH3CH2CH2COOH (C4H8O2)?

A: Sum of individual atomic mass  Molecular formula: C4H8O2.  C- 12 g/mol , H - 1 g/mol,  O - 16 g/ mol…

Q: e molarity of t

A:

Q: What is the molar concentration (molarity) of a solution prepared by dissolving 32.1 g of KBr in…

A: Given: Mass of dissolved solvent (KBr), m = 32.1g Volume of solution, V = 3.2L

Q: Complete the following table for aqueous solutions of potassium hydroxide. Show complete solution.…

A: The question is based on the concept of solutions.   molarity is a method of expressing…

Q: he molar concentration of N

A:

Q: a person consumes 4lts of oxígen (O2) per minute when breathing.how Many moles would that be per…

A: given:Vol of Oxygen consumed= 4LTime taken to consume = 1 mintotal time oxygen is taken in = 1 hr =…

Q: =5.90 bar. kl/mol

A:

Q: If a chemist mixed 100.00 mL of dichloromethane (CH2Cl2) which has a density of 1.33 g/mL and…

A:

Q: Which

A: According to this law, when temperature and pressure are constant then volume of gas depends up on…

Q: Consider a compound where it is determined that 0.88 g are equivalent to 0.00256 moles.  What is the…

A: Data given: Mass of the compound, m = 0.88 g Number of moles of the compound, n = 0.00256 moles…

Q: Calculate the number of moles of barium chloride in 427 g of a 3.82% by mass barium chloride…

A: Given a solution 427 g  of 3.82% of barium chloride. Amount of BaCl2 present in grams = 427 x 3.82%…

Q: Convert 750 ppb Al(III) to molar units

A:

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".