rules of significant figures; include units with each result. Mixture 1 Mixture 2 Pure Lauric Acid 2.67_g lauric acid ass (g) elting int (°C) rcent earic acid -mass (%) 44 0 2.88 g stearic acid 64 2.76 g lauric acid 2.62 g stearic acid 67 Mixture 3 2.59 _g lauric acid 2.72 _g stearic acid 57 Pure stearic acid 60 100

Q: (68.8 g) 108.45 8 1 mL -3 10 L mol -) (4.5 TO²) L mol 11

A: -> If similar units are present in numerator and denominator then these units cancelled out.

Q: What will be the new total mass of the calcium ion be in this new solution now

A:

Q: Molarity of second diluted CuSO4 solution (M) 0.000246 How to Calculate Mass of Solute Needed to…

A: Molarity of CuSO4 solution = 0.000246 M (Given) Since, volume of the solution is not given, for…

Q: What is the volume in L of a .724 M Nal solution contains .405 mol of Nal?

A: We know  Molarity = mole÷volume Volume=.724×.405=0.29L

Q: what is the Concentration in WiU PErcent for a Solution haslıe moles of cusSou and the tatal Volume…

A: Given Values Moles of CuSO4 = 1.2 mol Molar mass of CuSO4 = 159.609g/mol Mass of CuSO4 = 1.2…

Q: How many grams of solution that is 5.2% sucrose by mass are needed to obtain 18g of sucrose

A: Solution stoichiometry involves the calculation of concentration of solutions in the given…

Q: How many equivalents is 0.355 moles carbonic acid?

A: An equivalent can be defined as the number of moles of an ion in a solution, multiplied by the…

Q: What is the mole fraction of solute in a 3.26 m aqueous solution?

A: molality of a solution = 3.26 mmole fraction of a solute =?

Q: What term is associated with the part of a solution that is present in the greatest amount?

A:

Q: How many milliliters of a 0.22 M sucrose solution contain 0.750 g sucroseZ?

A:

Q: 20. What will be the concentration resulting from mixing 20 mL of a 4% NaCl solution with 80 mL of a…

A:

Q: What percent of water is in the compound Magnese (ii) chloride tetrahydrate?

A: The formula of Magnese (ii) chloride tetrahydrate is MnCl2 x 4H2O Hence molar mass of Magnese (ii)…

Q: What is the molarity of a solution which contains 86.7g of LiBr dissolved in 0.400L of solution?…

A: Molarity or the molar concentration is the measure of the conc. of a chemical species. Given: The…

Q: A 25.00mL KCl solution with a mass of 27.913g was heated and the remaining residue has a mass of…

A:

Q: Distilled white vinegar is a solution of acetic acid, CH3CO2H, in water. A 0.500-L vinegar solution…

A: The molarity of a solution is defined as the number of moles of solute dissolved in 1 liter of the…

Q: Find the % by volume for a solution containing 33mL of hydrogen peroxide in 150mL of water.…

A:

Q: 10. When you dilute a solution, you need to add more to the solution. O dilute solute solvent energy

A: The concentration of a solution is directly proportional to the number of moles of a solute present…

Q: Calculate the molarity of solution frommass or moles of solute.

A: To find: The calculation of molarity of solution from mass or moles of solute.

Q: If there is no specific indication we consider a percent solution to be a what percentage

A: Percentage solution It is defined as the number of parts of solute in 100 parts of solution. The…

Q: The most useful conversion factor to convert between solution volume and moles is    mole ratio…

A: The most useful conversion factor to convert between solution volume and moles is  ?

Q: Does the addition of solvent change the mass of the solute when a solution is diluted? Explain

A: Solution is made by mixing of solute and solvent. Solute is the substance present in less quantity…

Q: How many grams of sodium chloride ere dissclved in 375 mi of a 0.90% sailne solution? (round answer…

A: 0.90% saline solution contains 0.90 g of NaCl in 100 mL solution.

Q: 4.How many grams of NaCl would be required to create a 12.1 % of a 495 g solution? Numerical…

A: We know that  1 % Solution is defined as 1gram of solute and make upto total mass of 100 gram of…

Q: If the mass of of Na2CO3 is 0.011501g in 5ml of water, what is the mass in 106ml?

A:

Q: 45. Write three pairs of unit factors for each of the follow- ing aqueous solutions given the…

A:

Q: What percent of water is in the compound magnesium sulfate hydrate

A: The chemical formula of magnesium sulfate hydrate is MgSO4.H2O. Its formula mass is 138.37 g/mol.

Q: What is the mass percent of the solutions that contains 50 g solute and 150 g solvent?

A:

Q: What is the percent by mass concentration of NaCl in a solution that is prepared by adding 15.0 g of…

A:

Q: In a hydrate, the ratio of salt molecules to water molecules is a _____number.

A: A hydrate is an ionic compound that has a definite amount of water molecules attached to its…

Q: Determine the % by mass of a solution consisting of 360g acetic acid and 600g water.

A: Here we are required to determine the % by mass of a solution consisting of 360g acetic acid and…

Q: 3.5 L of water containing 0.61 moles of NaOH would have a molarity of

A:

Q: Calculate the n factor of 0.25 N Cupric Chloride.

A: The n-factor defines the number of the moles of the electrons exchanged (gained or lost) by 1 mole…

Q: A solution is 6.25% by mass Na2SO4. How many moles of Na2SO4 are in 370.0 g of solution? (SHOW…

A: Mass of Na2SO4 present in 370 g of solution = (6.25 / 100) x 370 = 23.125 g

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

A:

Q: A 45 mL sample of a 3 M solution of H2S04 is diluted to 956 mL. What is the new concentration? Give…

A:

Q: What is the Molarity of of the BaCl2 solution? volume BaCl2=25.0 mL moles BaCl2=0.0024

A: The molarity (M) of the solution that contains the available moles of the solute is determined as…

Q: How many moles are in a solution with a molarity of 1.2 M and 566 ml

A: Given Molarity-: 1.2 M Volume of solution -: 566 ml we know  Molarity =Number of moles (n)volume of…

Q: How many milliliters of 9.81 M nitric acid solution should be used to prepare 2.00 L of 0.700 M…

A: Here we use dilution  law   M1V1 = M2V2

Q: pject what is the mass / volume percent concentration or voll vol percent concentration of…

A:

Q: How many litersof 60% acid solution must be mixed with 15% acid solution to get 405 L of 50%…

A: Let x be the number of liters of 60% acid solution needed.Then, (405 - x) will be the number of…

Q: Clearly show a calculation of the molarity of NaOH. Use your data, and include units.

A:

Q: How much water is in the chemical compound magnesium sulfate heptahydrate?

A: The formula of magnesium sulfate heptahydrate is MgSO4 x 7 H2O  Hence the molar mass of magnesium…

Q: 3. One or more components present in the solution other than solvent are called both solvent solutes…

A: A solution is a mixture formed when a solid, liquid or gaseous substance is homogeneously mixed with…

Q: What is the mass of 21% alcohol solution is needed to provide 18g of alcohol?

A: Given :-  %w/w of solution = 21% Mass of alcohol = 18 g  To be calculated :-  Mass of alcohol…

Q: A concentrated (stock) HNO, solution is 70.3% by mass and has a density of 1.41 g/mL. How much of…

A:

Q: If an aqueous solution is 0.010% by mass, how many ppm is it?

A: Percentage by mass indicates that the amount of solute in grams  present in 100 gram of solution.…

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".