How are dilutions performed?

Q: Calculate the number of moles in 854 mL of HCl at STP.

A: According to ideal gas law, the volume of the same number of moles of all gaseous at constant…

Q: 1. Distinguish between the following pair of terms; a. Molarity and normality b. Mole and Avogadro…

A: A) One of the main differences between the normality and molarity of a solution is that normality…

Q: Explain why a raisin placed in water swells

A: Osmosis is the process of movement of solvent molecules from high concentration to low concentration…

Q: What are the pharmaceutical use of Hypertonic solution?

A: The following  concept is right approach to understand  this problem.

Q: 300. mL of beer contains about 15 mL of alcohol. Calculate the % of alcohol by volume.

A: The given data : The volume of alcohol = 15 mL The volume of beer = 300 mL To determine = The % of…

Q: Why is scurvy caused what are its symptoms

A: Scurvy happens when there is a lack of vitamin C, or ascorbic acid.

Q: What is the solute and solvent of air samples?

A: shfoisjfd

Q: When a bottle of coca- cola is opened,what bubble of gas evolves

A: Henry law states that at constant temperature the solubility of gas in a liquid is directly…

Q: Bioldgy Environm solvent Sample Science (+) if soluble/miscible or (-) if insoluble/immiscible Water…

A: We know the concept of like dissolves like. Hydrophobic compounds dissolve in hydrophobic solvents…

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: D3 remain in solution at 20 C? rams to three significant figures. swers Request Answer gain; 4…

A: According to the question, we need to calculate mass of NaNO3 at Certain temperature.  The…

Q: Differentiate between molarity and normality? explain

A: conentration of any solution is defined by different different  terms on the basis of different…

Q: CuSO4— 5H2O  NiCl2— 6H2O    MgSO4— 7H2O        What is the average percent of water in the…

A:

Q: 2³ solve the following show complete solution.

A: Fff

Q: Calculate the volume in milliliters of a 2.75 mol/L potassium iodide solution that contains 50.0g of…

A: Given:  Concentration of KI solution = 2.75 mol/L Mass of KI required = 50g

Q: Calculate the volume in milliliters of a 1.2/molL iron(II) bromide solution that contains 75.0g of…

A: Given1.2 mol of FeBr2 is contained in 1 litre of solution75.0 gram of FeBr2 is given

Q: Which of the following is a solution? A. bloodplasma B.cigarette smoke C. milk D.none

A: solution is the homogeneous mixture of two or more substances. the major component is called solvent…

Q: How are excess solutions treated prior to disposal (what happens to the solutions collected in the…

A: Marine life is adversely affected by low or very high pH values. Below pH 5, most fish are unable to…

Q: What is the importance of freezing in food when it comes to daily life?

A: There occurs  a process called Rancidity in food In which the Food starts  decomposing  .

Q: What volume of drug is in 25 cc of an 6% solution?

A: Volume percent (v/v)% :-  The volume in cc of solute present in 100 cc of solution is defined as…

Q: When 0.2ml of serum is added to 4.8ml of saline, what is the final dilution?

A: Dilution is the process by which the concentration of a solution is reduced. The formula used for…

Q: How many L of a 7.8% (m/v) sample of salt water contain 1.8 g of salt?

A: Mass of salt = 1.8 g  % (m/V) = 7.8%  Volume of salt = ?

Q: A. Test for Physlcal State (cite your references) Characterlstics Tube 1- 10 drops of Tube 2 - 10…

A: Benzene : Physical state = liquid Colour= colourless or yellow liquid at room temperature  Odour =…

Q: Calculate the heat energy in kcal evolved as 7.58 L of water freezes at 0.0°C.

A: We will calculate heat in Kcal

Q: Calculate the volume in liters of a 6.9 x 10 mol/L silver(II) oxide solution that contains 25.0 g of…

A: Given: Molarity of AgO solution is 6.9×10-5 mol/L. Mass of AgO is 25.0 g.

Q: Required: Volume of water Normality of HCl Normality of NaOH

A: Given as The volume of HCl=94.92 mL The volume of NaOH=43.76 mL The volume of water needed for a…

Q: If a lead chorine solution had a concentration of 4.50 grams per litre, it would be said to be ,…

A:

Q: what is the Report. answer L percent water in hydrate. olt Nacl 2H26

A: Mass percentage is equal to the mass of the given substance divided by total mass of compound…

Q: C2 Hg at STP

A: Given :-  C2H6 i.e. ethane gas  To calculate :-  Density at STP

Q: Tell me as much as you can about Fick's Law. Write out the formula and tell me what happens when you…

A: Adolf Fick proposed Fick's law in 1865, which governs the diffusion process and three factors that…

Q: Suppose you have a 5 L of gas inside a container at 1 atm. What will be the pressure of it if the…

A:

Q: List three physical properties of tap water: a.______________________ b.______________________…

A: Physical properties of water are related to odour, colour and appeaance  Boiling point Solid,…

Q: Brewing a bottle of beer (333 mL) requires the usage of 10, times more water. How many gallons of…

A: The volume of a bottle of beer is = 333 mL The volume of water in gallons to produce a bottle of…

Q: FOLLOW-UP QUESTIONS (Show 1. A hydrated substance was

A: Following is the emipirical formula of the given compound.

Q: Determine the % water content of the popcorn kernels. Show complete solution.

A: The % water content present in the popcorn kernels need to be calculated, the complete data of 20…

Q: What is the significance of Digestion? Why should it be done before Filtration?

A: The precipitate often contains ions that were trapped when the precipitate was formed. This is…

Q: What happens when soda bottles is open?

A: Carbonated drinks are defined as drinks that contain dissolved carbon dioxide in it. It's a soft…

Q: An order for a patient reads "Give 40. mg of Pantaprazole IV .  The Pantoprazole should be…

A: Mass of Pantaprazole IV = 40mg  Concentration = 0.4mg/mL Total volume of Pantaprazole that the…

Q: What is the volume of alcohol in 0.50L of wine which contains 15% alcohol by volume?

A: Given: The volume of alcohol=? The volume of wine =0.50 L Volume percentage=15 %

Q: How do you find the percent of water hydration?

A: The incorporation of water molecules into fundamental compound structure are generally stated as…

Q: How many grams of NaCl are contained in 0.250 L of a 5.30-M solution?

A: The given data contains, Volume = 0.250 L. Molarity = 5.30 M Molar mass of NaCl= 58.44 g/mol

Q: What is the significance of digestion? Why should it be performed before filtration?

A: When a precipitate is formed in gravimetric analysis, we must perform precipitate digestion before…

Q: What is the cncentration of 0.853 meles of suidinam chicide CrNKel) lin l,50 liter ck water?

A: Moles of NaCl(solute)= 0.853moles Volume of water= 1.50L As we know, Molarity= moles of solute/vol.…

Q: How many mL of sterile water are in 3 L of D5W ½ NSS?

A: A numerical problem based on concentration terms, which is to be accomplished.

Q: what is the molarity of the solution made from dissolving 50.9 grams of sodium chloride in water to…

A: Given  what is the molarity of the solution made from dissolving 50.9 grams of sodium chloride in…

Q: Give an example of suspension?

A: A homogeneous mixture of two or more than two particles which get dissolved into each other.

Q: 570 meir Isopr Label these components as solvents or solutes. methanol: [ Select ] sopropanol: […

A: Solution- Solute-  Methanol  Solvent-  water ( because its is universal solvent ) it is dissolved…

Q: 4. Which mixture(s) can be separated into its components using filtration? A. oil + vinegar B. sand…

A: Filtration is a technique of separation of a solid from a liquid and a gas. In filtration method,…