A 1.81g sample of Ba(OH)2 solid was dissolved in water to give 250 mL of solution. Determine the number of moles and the concentration of OH- in this solution? (only 3 decimals) _______ mol OH- _______ concentration mol/L

Q: Al(NO3)3(s)⟶Al3+(aq)+3NO−3(aq)Al(NO3)3(s)⟶Al3+(aq)+3NO3−(aq) Calculate the moles of nitrate ions in…

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Q: Calculate the concentration (in M) of the unknown NaOH solution in the first case.   NaOH volume…

A: Given: Volume of NaOH = 8.00 mL = V1Volume of HCl = 8.17 mL = V2Molarity of HCl = 0.199 = M2We need…

Q: What is the concentration of a standardized HCl solution that required 50.78 mL of HCl to titrate…

A: we need to find the concentration of HCl needed for the titration

Q: NaOH + HCI --> NaCI + H2O If 0.397L of 0.8M NaOH are use, what volume in Liters of 0.3M HCl are…

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Q: True or False? When 100.0 mL of 2.4 M hydrochloric acid is added to 500.0 mL of water, the…

A: molarity is defined as no of moles of solute devided by volume of solution in liter.

Q: 50.4 mL of 0.0633 M sodium hydroxide (NaOH) are required to neutralize 74.0 mL of a solution of…

A: The question is based on the concept of titrations.   we are titrating  a weak sulphurous acid with…

Q: 2. What is the volume (in mL) of water that is mixed with acetone (CHO) and reached a concentration…

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Q: Refer to picture below. What is the pAg of the solution after addition of 5.00 mL AgNO3?

A: According to our policy, only the first question is solved and if the answers to others are required…

Q: What would be the concentration of X 2- if a 10 mL of a 1 M solution of KOH was added to 50 mL of a…

A: The chemical reaction for the neutralization of a diprotic acid H2X with KOH is needed to be…

Q: Mg(OH)2(s)  +  2HCl(aq) -->  MgCl2(aq)  +  2 H2O(l) Use the equation above to answer the following.…

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Q: How many moles of the precipitate are  in the solution? 2. How many moles of Metal Br are  in the…

A: From given information we can say that Unknown metal = M+   Bromide ion = Br-  Metal bromide = MBr…

Q: Volumetric Analysis It takes 38 mL of 0.75 M NaOH solution to completely neutralize 155 mL of a…

A: To calculate the concentration of acid needed, the formula used is: n1C1V1 = n2C2V2…

Q: Find the initial volume of the buret? Concentration of NaOH (M ) 0.055 Initial volume of buret (

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Q: Let's say you added too much magnesium in the amount of 0.1444 g. How much 5.00 M HCl (in mL) would…

A: Number of moles = Mass/molar mass Molarity = Number of moles of solute/volume of solution (L)…

Q: (b) Neutralization reaction occurs when a solution of an acid and a base are mixed. Calculate the…

A: According to the question we have a netralization reaction in which calcium hydroxide is reacting…

Q: Part 9: Balance the equation Substitute into the formula with units. Show your answer with units Use…

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Q: uppose you need 0.14L of a 0.06M solution of NiCl₂, but all you have is a solution that is a…

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Q: A water has a BOD5 of 10 mg/L. The initial DO in the BOD bottle is 8 mg/L and the dilution is 1:10.…

A: The explanation is given below-

Q: KĄFE(CN)6(aq) + KMNO4(aq) + H2S0(aq) → KHSO4(aq) + Fe2(SO4):(aq) + M.SO4(aq) + HNO:(aq) CO2(aq) +…

A: Given chemical equation,

Q: I ift ↑ Qlaccds X tab ΤΟΝ C caps lock H fn esc Re → O CHEMICAL REACTIONS Calculating molarity using…

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Q: Chemistry 1.00 mL of a certain sodium hydroxide solution neutralizes 0.045 g of 10% sulfuric acid.…

A: The solution is as follows:

Q: -25. What is the concentration (in molarity ) of a NaOH solution if 25.0 mL of the solution are…

A: Sodium hydroxide reacts with hydrochloric acid, to form sodium chloride and water. The equation for…

Q: Concentrated aqueous HCIO4 has a concentration of 14.8 M. Calculate the concentrations of all ions…

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Q: Which of the following substances has the highest concentration of hydroxide ion in balance with…

A: Answer:- This question is answered by using the simple concept hydroxide ion concentration in acidic…

Q: If you have Cus04. NaNO3 and AGNO3 in solution and you wanted to remove the Ag* cation first. What…

A: For the removal of Ag+, ion if NaCl is added then a double displacement reaction will occur leads to…

Q: 5.00 ml of 7.35 M Fe(NO3)3 is combined with 1.00 mL of 0.50 M HCIO4 and 4.00 ml of 2.00 × 10-2 M…

A: Given: Vol of  Fe(NO3)3 = 5.00 mL Concentration [Fe(NO3)3 ] = 7.35 M Vol of HClO4 = 1.00 mL…

Q: Question 6 796. mL of 0.986 M K3PO4 (aq) is mixed with 565. mL of 0.373 M NISO4 (aq). Calculate the…

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Q: ou have 10.0 mL of 0.200 MCa(NO3)2. What is the new concentration if the solution is diluted to…

A: Number of moles of solute present in 1 liter of solution is known as molarity of the solution.

Q: Which of the following solutions has a mc O 0.9000 L of solution containing 20.00 9.000 L of…

A: Applying formula M= no.of mole/volume in L

Q: 36. Zinc reacts with HCl to produce ZnCl₂ and hydrogen gas H₂: Zn(s) + 2HCl(aq) → ZnCl₂(aq) + H₂(g).…

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

Q: 1.51 g Na2CO3 is dissolved in H20 and titrated with HCI. 23.0 mL of a HCI solution were required to…

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Q: 49.7 mL of 0.11 M hydrochloric acid requires 14.3 mL of NaOH solution to reach the endpoint, what is…

A: V1(HCl) = 49.7 ml M1(HCl) = 0.11M V2(NaOH) = 14.3 ml

Q: Paolo added 6.5 mL of 3.5 M NaOH to 3.6 mL of 0.62 M HCI. Calculate the concentration, in units of…

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Q: 2. A. 10.0 mL of sulfuric acid with a concentration of 18.0 M is diluted in water to make 15.0…

A: Sulfuric acid = H2SO4  Let concentration of H2SO4  after dilution = M2  For dilution :  M1 x V1 = M2…

Q: 126 mL of a solution of NaOH is diluted to a final volume of 1,073 ml and the new molarity is 0.082…

A: To make dilute solution from concentrated solution we add a fixed volume if concentrated solution…

Q: 13) How many milliliters of 0.250M AgNO3 would be needed to react exactly with 20.0g of NaCl? pure…

A: Silver nitrate reacts with sodium chloride to form silver chloride and sodium nitrate. The equation…

Q: Please answer the question

A: Given information:Volume of NaOH (V1)= 25.0 mLVolume of HCl (V2)= 15.5 mLMolarity of HCl (M2)= 0.449…

Q: How many moles of NaOH are there in 22.5 mL of 0.97 mol/L NaOH solution? Keep 3 decimal places for…

A: as per Q&A guidelines of portal I solve first question because it comes under multiple question…

Q: Let's say you added too much magnesium in the amount of 0.1391 g. How much 6.00 M HCl (in mL) would…

A: Number of moles of Mg = given mass /molar mass =0.1391 g / 24.31 g/mole = 0.0057 mole

Q: See image below....

A: Ionic equation is an equation in which ions are explicitly shown. Net ionic equation is the chemical…

Q: Exactly 17.0 mL of a H2SO4 solution was required to neutralize 45.0 mL of 0.235 M NaOH according to…

A: The balanced chemical reaction is, H2SO4 (aq) + 2NaOH (aq) ⟶ 2H2O (l) + Na2SO4 (aq) So, 2 moles of…

Q: Calculate the molarity of a sulfuric acid solutions (H2SO4)

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Q: What is the maximum mass of barium sulfate that can be produced from a 350.0 mL of a 0.125 M barium…

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Q: P: Dilution Calculations H115 mL of a 12.0 M HCI solution is diluted to 2.00 L, what is the molarity…

A: Solution :        Dilution is the process of decreasing the concentration of solute by adding more…

Q: 50.0 mL of 0.100 M hydrochloric acid  moles of H+ is equal to 0.005 100.0 mL of 0.200 M nitric acid…

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Q: 2. Approximately 1.0 gram of sodium carbonate was added 1. A 100 mL beaker was weighed on a…

A: According to the law of chemical equivalence, in a chemical reaction, the number of equivalents that…

Q: We have an H2SO4 solution with a density of 1.8194 g/mL (96% in weight) which we may use to…

A: Neutralization reaction occurs when an acid completely reacts with a base to form a neutral salt and…