1. Compute for the amount of NaOH pellets needed to prepare 500 mL of 0.1 M solution. 2. Explain in detail how the solution will be prepared in the laboratory. 3. Write a sample label for the solution.

Q: How many mL of a 3.0 M NaBr solution are needed to make 100.0 of 0.25 M NaBr?

A: The formula for calculating the concentration - Now calculate the moles of sodium bromide - Then…

Q: e) How long (in seconds) will it take for a 30% NH,NO, solution to become a 19% NH,NO2 solution…

A: Solution - According to the question - We need two times:  and  Calculating  using equation above:…

Q: Determine the molar concentration of four moles of hydrogen chloride(HCl)dissolvedin 2500ml of…

A: Given, Number of moles of HCl = 4 moles Volume = 2500 ml = 2.5 L

Q: How Are Solution Concentrations Measured?

A: Concentration of solution defines amount of chemical species such as solute present in per amount of…

Q: Calculate the volume of a 14.9M Sulfuric acid that must be added to water to make 0.620M solution

A: The molarity of sulfuric acid (M1) = 14.9 M. The molarity of final solution (M2) = 0.620 M.   As the…

Q: calculate the number of grams of sodium hydroxide that must be added to 1L of water to make 15%…

A: Given% of solution =15%=15100Volume of solution=1L=1000ml

Q: What is the composition of Fehling’s Solution? What is the composition of Benedict’s

A: We have to tell about the composition of fehlings and Benedict's solution

Q: write a step by step procedure to make 500 ml of a 0.125M lithium oxide solution?

A: For this we have to find the grams of Li2O (lithium oxide) require to dissolve in 500 ml of water to…

Q: What volume of 0.50 M KOH would be required to neutralize completely 500 mL * ?of 0.25 M H3PO4…

A: Given, molarity of KOH = 0.50 M Volume of KOH = Unknown Molarity of H3PO4 = 0.25 M Volume of H3PO4 =…

Q: Explain why it is all right to leave water in a volumetric flask before you put it in the 10.00mL of…

A: It is alright to leave water in a volumetric flask before you put it in the 10.00 mL of your…

Q: You are asked to prepare a  solution of sodium sulfate decahydrate with a final concentration of…

A: Given, You are asked to prepare a  solution of sodium sulfate decahydrate with a final concentration…

Q: Determine the mass of CaBr, needed to create a 500. ml solution with a concentration of 1.15 M. 115…

A: Given, Volume = 500 mL  Molarity = 1.15 M

Q: If I dilute 250 mL of 0.10 M lithium acetate solution to a volume of 750 mL, what will the…

A: initial volume of solution = V1 = 250 ml initial concentration of solution = M1 = 0.10 M  final…

Q: How would you prepare a 0.1 M HCl solution from 10 ml of a 0.5 M HCl stock solution?

A: Concentration of stock (Cstock) = 0.5 M Volume of stock (Vstock) = 10 mL Concentration of required…

Q: hy do we have to measure the boiling point of distilled water during this experiment?

A: Given : We have to explain why we measure boiling point of distilled water.

Q: The name of the apparatus used in salting out is Your answer

A: Salting-out is the effect when adding a salt to a solvent containing an organic solute reduces the…

Q: Procedure Part A: Preparation of Solutions Sodium Bicarbonate Solution: Write procedures for…

A: Given : Concentration of sodium bicarbonate i.e NaHCO3 = 0.1 M And volume of solution = 50 mL =…

Q: Describe how you would accurately prepare 50.0 mL solution of 0.0100 M HCl from concentrated acid…

A: Preparation of 50.00 mL of 0.0100 M HCl solution from 12.1 M concentrated acid.

Q: Just question 9 please I need a complete solution :(

A: Moles of the solution is calculated as, number of moles =mass molar massnumber of moles =3.42…

Q: Calculate how much solution of the concentration 10.0x10-6M Crystal violet, would need to be mixed…

A: The concentration of a solution can be expressed as molarity. The required volume of the given…

Q: Describe how you will prepare 100 mL of 1 M HCl from concentrated HCl. Show calculations below.

A: By dissolving 3.65g of HCl in 100mL water we can make 1M HCl solution.

Q: show the complete solution

A:

Q: Read

A: Since you have asked multiple question, we will solve the first question for you.If you want any…

Q: how to make a stock solution of 10% ethanol and 40% water? do the necessary volume to concentration…

A: To make a stock solution of 10% ethanol and 40% water.

Q: Calculate the amount of solid sodium chloride needed to make 200.00 mL of a 0.200 M solution. **give…

A: Molar mass is the mass of one mole of any substance, which is expressed as g/mol. Given: Volume of…

Q: You will be creating a 100.00 mL of a 1.00 M HCl solution from a 5.00 M solution. Explain in detail…

A: The equation for dilution is given below.M1V1 = M2V2

Q: how many milliliters of ethanol that dissolved in 400 ml of solution by percent 35% ?

A: Volume of solution = 400 mL % 35 v/v means, 100 mL solution contains 35 mL ethanol

Q: Calculate the volume percentage of solution F

A: Given :- volume of methyl alcohol = 50 ml  Volume of water = 200 ml  To calculate :- volume…

Q: 30 mL of 1.0 M NaOH is added to 20 mL of 1.5 M HCl. You would expect the resulting solution to be?

A:

Q: 2-Describe how we can prepare 500ml of 10M NH3 solution from the above solution.

A: Molarity is the number of moles of solute dissolved per liter of solution. Since you have asked…

Q: 12 - How many mL of 2.0 M hydrochloric acid would be required to prepare 200.0 mL of 1.0 M HCI?

A: Molarity of a solution is defined as the number of moles of the solute present per litre of the…

Q: Please

A: If Ka value is less then it's pH value is highest and if Ka value is more then it's pH value is…

Q: Why is it important to keep the NaOH solution stoppered at all times when it is not in use?

A: We have to tell the reason that why NaOH solution is to be kept stoppered at all times when it is…

Q: What is the complete solution please

A: Given molecule is weak base so we will use concept of pH of  weak base.

Q: If water was used to rinse the pipette used for the NaOH solution aliquots, how would this affect…

A: Rinsing a pipette:- It is always advised that first, we shall rinse the pipette with distilled water…

Q: 1. Briefly explain why water is considered as the universal solvent.

A: Since we only answer one question at a time, we'll answer the first one. Please resubmit the…

Q: If water was used to rinse the burette used to dispense the hydrochloric acid solution, how would…

A: Analytical techniques need precision and accuracy. Errors can occur due to various reasons, personal…

Q: 1. Calculate the exact mass of NaOH needed to prepare 1.0L of 0.25N NaOH for standardization 2.…

A: 1. Normality of solution = mass of solute ( NaOH)Equivalent mass of solute×volume of solution (in L)…

Q: Calculate the volume of a 1.5 M HCl solution needed to completely react with .25g Mg.

A:

Q: How many mL of solvent should be added to 0.99L of a 1.5M solution if you want a final concentration…

A: Given:  0.99L of a 1.5M solution To find: volume of solvent to be added if you want a final…

Q: If I dilute 250 mL of 0.10 M lithium acetate solution to a volume of 750 mL, what will the…

A:

Q: (SHOW CALCULATIONS) How many milliliters of 12.1 M HCI solution are needed to make 1.0 L of 0.5 M…

A:

Q: Compute for the volume of concentrated HCl needed to prepare 500 mL of 0.1000 M HCI solution.

A: Concentrated HCl is 37℅ pure. 1 L of conc HCl contains 12.18 moles  So Molarity of Conc. HCl = 12.18…

Q: Calculate the molarity of 1.1 L of solution containing 2.6 mol NAOH. provided box. M

A: Given :- no.of moles of NaOH = 2.6 mol               volume of solution = 1.1 L  To calculate :-…

Q: Calculate the concentration of the solute: 125 mL of 0.640M diluted to 2.00 L

A: Given : Initial concentration of solute = 0.640 M Initial volume of solution = 125 mL And final…

Q: What will be the number of moles of HCl in 100 ml of 0.1 M HCl solution?

A: The molarity of a solution is the ratio between the number of moles of the compound to the volume of…

Q: 11. If you have 25.0 mL of 8.0M HCl solution, and then dilute it to a final volume of 100.0 ml, what…

A: New concentration will be = 2M

Q: Please help me answer number 4 with complete solution

A: Here we have to calculate molecular weight of unknown gas Y-

Q: How many moles  of NH3 must be dissolved in 475 g of methanol to make a 0.250 m solution?¿how many…

A: Mass of methanol = 475 g Molality of the solution = 0.250 m   Molar mass of NH3   =17.03 g/mol Molar…

Q: What is the disease associated if there is an excess amount of uric acid in urine? Briefly explain…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…