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: [References) What volume of 0.150 M HNO (nitric acid) reacts with 57.0 mL of 0.110 M Na CO3 (sodium…

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Q: 1- A solution contains 6.14x10-³ M potassium iodide and 1.05x10-2 M ammonium cyanide. Solid silver…

A: “Since you have posted multiple questions, we will provide the solution  only to the first question…

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: You are preparing a NAOH solution for use with an acid-base titration experiment. You weighed out…

A: Given ;-  Mass of NaOH = 1.321 g  Volume of solution = 246.9 mL  Molar mass of NaOH = 40.00 g/mol To…

Q: A solution contains Ag+ and Hg2+ ions. The addition of 0.100 L of 1.71 M Nal solution is just enough…

A: Upon adding an ionic compound to an aqueous solution of a soluble ionic compound, the cations and…

Q: Pinkman has a sample of 7.15 g apple vinegar. He conducted an acid-base titration on this sample.…

A: Tyyh

Q: Consider a slightly soluble salt with a general form of MX(s) --> M*(aq) + X (aq). If its molar mass…

A: Given: Ksp of salt = 5.4 X 10-5  Molar mass of salt = 241 g/mol. And the solubility reaction is,…

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: How many mL of 0.483 M HBr are needed to dissolve 8.87 g of CaCO3? 2HBr(aq) + CaCO3(s) CaBr₂(aq) +…

A: Given equation is 2HBr(aq)+CaCO3(s)----------> CaBr2(aq)+H2O(l)+CO2(g)  Molarity of HBr = 0.483 M…

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: A student used 37.66mL of NaOH solution to titrate 0.7678 grams of KHP. The moles of KHP is NaOH(aq)…

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

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Q: TEXT ANSWER Question 18 Calculate the molarity of a sodium hydroxide solution if 50.0 mL of this…

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Q: If 50.0 ml of 1.00 M MgCl2 is added to 50.0 ml of 1.00M NaOH, solid Mg(OH)2 forms according to the…

A: Given balanced equation:   MgCl2 (aq)   +  2 NaOH(aq)  -->   Mg(OH)2( s)   +  2 NaCl (aq)  We…

Q: Suppose you want to dissolve 1.0 gram of FeS (M=87.9 g/mol) in 200 mL of water. How much NaCN…

A: m = 1.0 gV = 200 mL = 0.2 LM = 49.0 g/mol

Q: How many grams of Agl2 (MM-234.77 g/mol) will precipitate when 42.2 mL of a 0.249 M Cal2 solution is…

A: First, calculate the moles of each reactant. Moles of CaI2 = (Molarity) * (Volume in liters)Moles of…

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: A solution contains 5.17x103 M sodium sulfide and 1.24x102 M potassium hydroxide. Solid iron(II)…

A: “Since you have posted multiple questions, we will provide the solution  only to the first question…

Q: Given the reaction below, if 128.5 mL of 0.860  M Al(NO3)3 is reacted with 246.5 mL of 1.15 M NaOH…

A: The balanced reaction taking place is given as, => Al(NO3)3 + 3 NaOH -------> Al(OH)3 + 3…

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: Ca(NO3)2

A: Dear student I have given answer to your question in the image format.

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: A 50 ml sample taken from a vinegar sample was diluted to 500 ml with distilled water. The 25.0 mL…

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Q: 25. Use the reaction: 2AgNO3(aq) + H2SO4(aq) → Ag2SO4(s) + 2H2O(1) 2 HNO3(aq) What volume of 0.123 M…

A: The objective of the question is to calculate the volume of AgNO3 solution needed to form a certain…

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

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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: 5. Calculate the concentration standard sodium carbonate of the hydrochloric acid if a 20.00 mL…

A: Given, 2HCl(aq) + Na2CO3(aq) ---> H2O(l) + CO2(g) + 2NaCl(aq) • For hydrochloric acid solution:…

Q: 2 HNO3(aq)+Ba(OH)₂(aq) - → 2H₂O(1)+Ba(NO3)₂(aq) A 0.115 L sample of an unknown HNO3 solution…

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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: A student makes a solution using the following volumes of stock solutions. mL 0.019 M Fe(NO3)3 3.37…

A: Fe(NO3)3 is a strong electrolyte. It dissociates 100% to the ions Fe3+ and NO3-.

Q: lifeguard spills 160.43 mL of 0.877 M hydrochloric acid (also known as muriatic acid) solution while…

A: Balanced chemical equation is2 HCl(aq) + Na2CO3(s) -> H2O(l) + CO2(g) + 2 NaCl(aq)

Q: How many milliliters of 6.0 M H₂SO4 (aq) would it take to dissolve 1.530 g of CuO precipitate? Show…

A: Molarity = moles of solute÷Volume of solution  Moles of solute = mass of solute÷molar mass of solute…

Q: Consider a slightly soluble salt with a general form of MX2(s) --> M*(aq) + 2X'(aq). If its molar…

A: Given dissolution equation of the slightly soluble salt MX2: MX2 (s) → M+ (aq) + 2X- (aq) Given: The…

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: Consider the reaction: Al(NO3)3 (aq) + MgCl2 (aq) ➝ AlCl3 (aq) + Mg(NO3)2 (aq). You mix together…

A: Given,  Volume of Al(NO3)3 = 25.0 mL = 0.025 L  Because, 1 L = 1000 mL  Molarity of Al(NO3)3 = 0.85…

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

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Q: 5.00 mL of 2.32 M Fe(NO3)3 is combined with 1.00 mL of 0.50 M HClO4 and 4.00 mL of 2.00 × 10–2 M…

A: The reaction between Fe(NO3)3, HClO4, and KSCN is shown below.…

Q: If 50.0 ml of 1.00 M MgCl2 is added to 50.0 ml of 1.00M NaOH, solid Mg(OH)2 forms according to the…

A: Introduction: moles: As per the international system of unit, mole is the unit of measurement for…

Q: The molarity of an aqueous solution of sodium hydroxide, NaOH, is determined by titration against a…

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Q: molarity

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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: Transfer 0.5 mL phenolphthalein to the KHP, then transfer 12.2mL NaOH to the KHP that make it be…

A: Acid reacts with base to produce salt and water

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

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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;…