What volume of water is needed to prepare 500 mL of a 0.25 M Ca(NO3)2 solution from a stock solution of 5.0 M Ca(NO3)2?

Q: Suppose you are titrating a solid mixture containing KHP (molar mass=204.2 g/mol) and a salt…

A:

Q: A normal level for sodium ion (Na+Na+) in human blood is 0.140 MM. How many grams of sodium ion are…

A: Given ->  Concentration of Sodium ion = [Na+] = 0.140 M  Volume= 75.0 ml = 0.075 L (1L = 1000ml)…

Q: What concentration of 20.0 mL NaOH solution is needed to react completely with 0.500 g KHP (204.2 g…

A: One mole of potassium hydrogen phthalate reacts with one mole of sodium hydroxide to form…

Q: What volume of 0.100 M Na3PO4 is required to precipitate all the lead(II) ions from 400.0 mL of…

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

Q: An aqueous sample of 25.0 mL H2SO4 is neutralized by the addition of 28.9 mL of 0.203 M KOH.  What…

A: The neutralisation reaction taking place will be 2 KOH + H2SO4 ------> K2SO4 + 2 H2O

Q: If 48.1 g of C₂H₅OH (MM = 46.07 g/mol) are added to a 500.0 mL volumetric flask, and water is added…

A: Molar concentration or molarity (M) of a solution is defined as the number of moles of solute…

Q: Sulfuric acid is a solution of hydrogen sulfate, H2SO4, in water. When concentrated, it is extremely…

A: Given: The volume of the solution, (V)=25.0mL = 0.025 L. The given mass of H2SO4, (m)=44 g. The…

Q: What volume of 0.300 M nitric acid solution is required to completely neutralize 72.5 g barium…

A: Given,  Molarity of Nitric acid = 0.300M Mass of Barium Hydroxide = 72.5g

Q: A solution is made by dissolving 0.835 grams of KMnO4 in 500.00 grams of water. The solution formed…

A: Given,Mass of KMnO4 =0.835 gramsMass of water = 500 grams The density of water = 1.05 g/mLMolar Mass…

Q: 30.00 mL of nitric acid (HNO3) with an unknowne concentration was placed into an erlenmeyer fask,…

A: Acid base neutralization reaction involves formation of salt and water. Moles of base reacts with…

Q: onsider the reaction of acetic acid (HC2H3O2) in vinegar with NaOH solution 1) write a balanced…

A: Here we are required to find the mass % of acetic acid in vinegar.

Q: What volume of 0.100 M  Na3PO4 is required to precipitate all the lead(II) ions from 200.0 mL of…

A: The required reaction is        3 Pb2+(aq) + 2 PO43- (aq) ---------> Pb3(PO4)2 (s)

Q: 5.50 mL of H2O and 3.00 mL of an aqueous 0.030 M I solution were added to 13.50 mL of an aqueous…

A: Initial molarity of Fe3+ solution=0.025 M Initial volume of Fe3+ solution=13.50 mL = 0.01350 L…

Q: What volume of 0.225M Ca(OH)2 solution is needed to deliver 100.0g of Ca(OH)2?

A: Based on the values given, mass of Ca(OH)2 = 100.0g molar mass of Ca(OH)2 =74.09g/mol molarity of…

Q: If 20.0 g of LiOH is added to 0.750 L of 1.00 M Cd(NO₃)₂, how many grams of precipitate will be…

A: The balanced equation for this precipitation reaction is: Cd(NO3)2 + 2LiOH → Cd(OH)2 + 2LiNO3 The…

Q: Which of the following is NOT soluble in water? O acetic acid, the active ingredient in vinegar,…

A: We have to predict the substance insoluble in water.

Q: If a student wants to make 205.0 mL of a 1.12M stock solution of SrCl 2, how many grams of solid,…

A: Given that : The volume of stock solution = 205.0 mL Molarity of stock solution = 1.12 M We have to…

Q: 185 mL of 0.355 M NaCl is added to a 0.500 L volumetric flask and the flask is filled with water.…

A:

Q: For the reaction HCl+NaHCO3=NaCl+H2O +CO a sample of  NaHCO3 weighs 0.1015g requires 47.21 ml of HCl…

A: The given reaction is: HCl+NaHCO3→NaCl+H2O+CO2 According to the given chemical reaction, 1 mole of…

Q: A stock solution of FD&C Yellow No. 5 (Tartrazine, 234.3 g/mol) was prepared by placing 5.16 g in a…

A:

Q: Find the volume needed to prepare a 0.631 M Pb(NO3)2 solution if you start with 175 g of Pb(NO3)2.

A: Molarity:- Moles of solute present per liter of solution is called molarity of the solution.…

Q: A solution is prepared by mixing 25.0 mL of a 0.150 M potassium chloride (KCl) with 75.0 mL of a…

A: In this question we have to tell the molarity of K+ ions in the solution.

Q: What is the molarity of the sodium sulfate in the solution resulting from the addition of 100. mL of…

A: It is one of the most widely used unit of concentration and is denoted by M. It is defined as no. of…

Q: If 30.4 g of C₂H₅OH (MM = 46.07 g/mol) are added to a 500.0 mL volumetric flask, and water is added…

A: Molar concentration = Number of moles of solute/Volume of solution (L) Number of moles of solute =…

Q: What is the molarity of the potassium ions [K+] in a solution prepared by dissolving 28.5 g of K2CO3…

A: Given: The volume of the solution=200mL=0.2 L. The molar mass of K2CO3=138.21 g/mol. The given mass…

Q: 2) A 50.0 mL sample of phosphoric acid, H3PO4, is titrated with 42.50 mL of 0.250 M NAOH. What is…

A: We define concentration as the amount of solute present in the solution. There are various ways in…

Q: For the reaction Ba(NO3)2+H2SO4 =BaSO4+2HNO3 how many grams of Ba(NO3)2 are required to…

A: The answer is givt below

Q: 50.00 mL of a 0.1001 M solution of HNO3 was prepared by diluting 8.00 mL of a stock solution.…

A:

Q: what volume of 18.0 M sulfuric acid is required to prepare 2.00 L of 0.150 Mg(NO3)2 solution

A:

Q: What volume of 0.100 M NAOH is required to precipitate all of the nickel (II) ions from 150.0 mL of…

A: Reaction for the above query will be :  2NaOH(aq) + Ni(NO3)2 (aq) ------> 2NaNO3(aq) + Ni(OH)2(s)…

Q: What volume of 0.750 M hydrochloric acid solution can be prepared from the HCl produced by the…

A: We have given that  1. What volume of 0.750 M hydrochloric acid solution can be prepared from the…

Q: Oxalic acid dihydrate (H2C,O4 2H,O) is used to standardize the concentration of a KOH solution. If…

A: We will calculate the concentration of KOH by using simple mole concepts.