According to the reaction below: if it required 65.19 mL of HCl with an unknown concentration to react completely with  0.623 grams of pure CaCO3 What was the initial concentration of the HCl solution in mol/L ? (This is a titration problem) 2HCl +CaCO3  → H2O + CO2+ CaCl2     Answer to THREE decimal places

Q: 5.00 g of solid Al(NO3)3 was added to enough water to make a solution with a total volume of 100.0…

A: Given that : The mass of solid Al(NO3)3 = 5.00 g The volume of the solution = 100.0 mL

Q: Suppose 9.72 g of copper(II) acetate is dissolved in 200. mL of a 0.30 Maqueous solution of sodium…

A: Volume of Sodium Chromate solution = 200 mLMass of Copper(ll) acetate = 9.72 gNormality, Molarity…

Q: How many mL of 0.489 M HCI are needed to dissolve 6.71 g of CaCO3? 2HCl(aq) + CaCO3(s) →→→ CaCl₂(aq)…

A:

Q: Analysis shows the 15.0 L of seawater simulant contains a mercury (II) ion concentration of 3 X 10-4…

A: The number of moles of Hg22+ ion in the 15.0 L solution is; nHg22-=15.0 L×3×10-4 M=45.0×10-4 mol

Q: 25.64g of Copper (II) sulfate pentahydrate and 12.69g of sodium phosphate are added to 1.000 L of…

A:

Q: 9. You have 0.6395 g of an unknown monoprotic acid, HA, which reacts with NaOH according to the…

A: Given balanced equation: HA + NaOH → NaA + H2O The mass of the unknown monoprotic acid, HA = 0.6395…

Q: An impure sample of potassium hydrogen phthalate (KHP) was titrated to determine the percent…

A: We will use stoichiometry of the reaction to get the answer.

Q: A student titrates an unknown amount of potassium hydrogen phthalate (KHC3H₂O4, often abbreviated…

A: Given,  Volume of NaOH = 22.11 mL  Molarity of NaOH = 0.1400 M  Molar mass of KHC8H4O4 = 204.22…

Q: Let's say you added too much magnesium in the amount of 0.1189 g. How much 6.00 M HCI (in mL) would…

A: In the given reaction - Mg(s) + 2HCl(aq)  ----> MgCl2(aq) + H2(g)   1 mole magnesium needed 2…

Q: 2+ from solution, one could add: To precipitate Ba O H2S(aq) in 0.3 M HCI(aq) O H2S(aq) in…

A:

Q: When 624 grams of PbCl2(s) are placed in 2 L of water, what mass (in grams) of PbCl2 will dissolve?…

A: PbCl2 will dissolve in water as Pb2+ and 2Cl-. So the solubility product would be,…

Q: Is 10mL the original vinegar solution to calculate acidic acid concentration in the original vinegar…

A: An easy breakdown of the procedure being followed according to the description is as follows,25 mL…

Q: What mass of silver carbonate (MW = 275.75 g/mol) precipitates when 18.0 mL of 3.2M silver acetate…

A: Molarity = number of moles of solutevolume of the solution (in ml)×1000Number of moles of solute =…

Q: If 28.0g of naoh is added to 0.550 l of 1.00 M Ni(NO3)2, how many grams of Ni(OH)2 will be formed in…

A: we need to calculate the mass of Ni(OH)2 formed in the given reaction

Q: mL

A:

Q: A 0.4708-g sample of primary-standard-grade Na2 CO3 required 34.74 mL of an H2SO4 solution to reach…

A: Given: Mass of Na2CO3 taken = 0.4708 g. And volume of H2SO4 required = 34.74 mL = 0.03474 L…

Q: Chromate is used as an indicator with AgNO3 to determine the number of moles/concentration of…

A: A question based on mole concept that is to be accomplished.

Q: It takes 38.65 mL of a 0.0895 M hydrochloric acid solution to reach the equivalence point in the…

A: This question can be solved using law of multiple proportions.

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: 1.0 g of aluminum hydroxide reacts with 25.0 mL of 0.500 M carbonic acid according to the following…

A: Limiting reagant are those reactant which have less value of ratio of mol to stoichiometry…

Q: A solution contains 0.0040 M Na3PO4. Calculate the minimum concentration (in M) of Ag* needed to…

A: The concentration of Na3PO4 = 0.0040 M Solubility product concentration of Ag3PO4 = 1.8×10−18

Q: Utilizing the molarity equation, calculate the concentration of Potassium Hydrogen Phthalate (KHP)…

A:

Q: If 35.0 g of C₂H₅OH (MM = 46.07 g/mol) are added to a 500.0 mL volumetric flask, and water is added…

A: Concentration Molar concentration or Molarity or amount concentrationis a measure of the…

Q: If you are making 500 ml of a stock solution of 10X PBS pH7.4 please tell me how much of each…

A: Molarity is a way of expressing concentration. It is the moles of solute present in 1 L solution.

Q: What is the mass in grams of precipitate formed when 250.0 mL of 0.400 M ZnCI, is mixed with excess…

A: Given-> Volume of ZnCl2 = 250.0 ml Molarity of ZnCl2 = 0.400 M

Q: H C 2 H 3 O 2 ( a q ) + N a O H ( a q ) ⟶ N a C 2 H 3 O 2 ( a q ) + H 2 O ( l )   Trial  Vi (mL)…

A: The concentration of a solution can be defined in terms of molarity as the ratio of the amount of…

Q: 280 mL of 1.08 M CrCl₂ is mixed with with 160 mL of 2.2 M KOH. Write out the balanced molecular,…

A:

Q: You set up a titration in the lab to determine the concentration of an HCl solution. What is the…

A: Interpretation: If 0.0100 L of 0.245 M NaOH solution are required to neutralize 0.0150 L HCl, the…

Q: A solution is prepared by mixing 0.10 L of 0.12 M sodium chloride with 0.22 L of a 0.19 M MgCl₂…

A: The question is based on the concept of concentration . we need to calculate quantity of silver…

Q: Iron (II) fluoride needs to be precipitated from a 83.97 L tank. If the concentration of iron (II)…

A:

Q: A 15.0 mL solution of Ba(OH)2 is neutralized with 35.4 mL of 0.200 M HCI. What is the concentration…

A:

Q: Use the solubility curve to help you answer the fol 150 KI 140 130 120 110 100 NANO3 90 80 70 60…

A: 1.) The given solubility curve shows the amount of solubility of different substances in water.  2.)…

Q: At a certain temperature, chlorine gas and carbon monoxide react to form carbonyl chloride: Cl2(g) +…

A: a). Kc < 30 Given that, At a certain temperature, chlorine gas and carbon monoxide react to form…

Q: The solubility of magnesium flourish in water is 1.5*10-2 g/L. What is the solubility in grams per…

A:

Q: 5.00 mL of 5.09 M Fe(NO3)3 is combined with 1.00 mL of 0.50 M HCIO4 and 4.00 mL of 2.00 x 10-M KSCN.…

A: Given: Vol of  Fe(NO3)3 = 5.00ml Concentration [Fe(NO3)3 ] = 5.09M Vol of HClO4 = 1.00ml…

Q: 9. You have 0.8557 g of an unknown monoprotic acid, HA, which reacts with NaOH according to the…

A:

Q: Analysis shows the 15.0 L of seawater simulant contains a mercury (II) ion concentration of 3 X 10-4…

A: The number of moles of potassium iodide (KI), nKI, in the 15.0 L of seawater is;…