0.405 g of CaCO3 is dissolved in HCl and diluted to a volume of 250.00 mL. What is the molarity of calcium ions in the solution? Write the chemical equation for the chemical reaction involved. (b) A 25.00 mL aliquot (a portion or part) of the standard calcium solution reacts with 27.25 mL of the EDTA solution. What is the molarity of the EDTA? (c) A 50.00 mL unknown solution requires 25.55 ml of the standardized EDTA solution for complete reaction. What is the Ca2+ concentration in the unknown reported as ppm CaCO3?

0.405 g of CaCO3 is dissolved in HCl and diluted to a volume of 250.00 mL. What is the molarity of calcium ions in the solution? Write the chemical equation for the chemical reaction involved. (b) A 25.00 mL aliquot (a portion or part) of the standard calcium solution reacts with 27.25 mL of the EDTA solution. What is the molarity of the EDTA? (c) A 50.00 mL unknown solution requires 25.55 ml of the standardized EDTA solution for complete reaction. What is the Ca2+ concentration in the unknown reported as ppm CaCO3?

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter20: Chemistry Of The Metals

Section: Chapter Questions

Problem 19QAP

See similar textbooks

Related questions

Q: To determine the concentration of an EDTA solution, the following zinc(II) solution is prepared:…

A: metallic zinc (m(Zn) = 0.505 g) is dissolved in dilute sulfuric acid, the resulting solution is…

Q: KMnO4 by heating. Calculate the Ca concentration in the sample since 4.94 mL

A: Molarity of KMnO4 =0.001 M Volume of KMnO4 = 4.94 mL At equivalent point, Geq. of KMnO4 = Geq. of…

Q: The arsenic in a 2.345g sample of a pesticide was converted to H 3 AsO4 by suitable treatment. The…

A: Molarity is defined as the number of moles of solute per litre of the solution. It is denoted as M.…

Q: Surface water in an open area of the Indian Ocean adjacent to Kenja has an alkalinity 2320…

A: Surface water of ocean has carbon dioxide dissolved in it and it exists as carbonic acid. The…

Q: Assuming that no equilibria other than dissolution are involved, calculate the concentrations of…

A: The salts given are Sr(OH)2·8H2O and Mg(OH)2.

Q: 5) The oxides and hydroxides of gallium exhibit both acidic and basic behaviors B) What is pCa for a…

A: Gallium metal is stable in dry air. It gradually oxidizes in moist air to form a protective film…

Q: A 50.0 mL solution of Ca(OH)₂ with an unknown concentration was titrated with 0.340 M HNO₃. To reach…

A: Calculation of no. of mol of HNO3 at the end point: n=Molarity×Volume=0.340 mol/L×16.5 ×10-3…

Q: Explain, on the molecular level, how Tin (II) chloride, SnCl2, dissolves in water

A: Hydrolysis A type of chemical reaction which involves the interactions between water and chemicals.…

Q: 8. According to the regulatory documentation, the following indicators can be most used to determine…

A: Let us try to find out the answer.

Q: Calculate the Ksp for Ca(OH)2 in the solution at 82.9 °C (See equation 2) Your answer should have 4…

A: GIVEN: Concentration of HCl= 0.01252 M The volume of HCl at the equivalence= 17.94 mL The volume of…

Q: In an experiment on evaluation of antacid containing magnesium carbonate, a tablet weighing 2.50 g…

A: Given, mass of tablet = 2.50 g molarity of HCl = 1.00 M volume of HCl = 5.00…

Q: What is the phenolphthalein alkalinity of a sample if 25 mL of a wastewater sample requires 27.5 mL…

A: Given: Volume of wastewater sample (V) = 25 mL Volume of H2SO4 required (A) = 27.5 mL Molarity of…

Q: When 15.11 ml of 0.102 M K2SO4 solution reacts with 35.00 ml of 0.114 M Pb(C2H3O2)2. predict the…

A: Data given: Volume of K2SO4 solution = 15.11 mL = 0.01511 L (1 L = 1000 mL) Concentration of K2SO4…

Q: Write a balanced net ionic equation for the reaction of Na 2CO 3( s) and HI( aq).

A: The balanced reaction for a double displacement reaction is: Na2CO3 + 2HI →2NaI + H2CO3

Q: A 50.0 mL solution of Ca(OH)₂ with an unknown concentration was titrated with 0.340 M HNO3. To reach…

Q: Can you compare the solubility of Co2 in water compared with saturated NaCl solution?

A: solubility of Co2 in NaCl solution is less than in water increases with the temperature and…

Q: What is the pH of the solution when 20.0 mL of 0.155 M of NH3(ag) is titrated with 15.0 mL of 0.225…

Q: All arsenic in the mineral containing 20 g of arsenic is dissolved by converting it into As3+.…

A: Working formula Decinormal = one tenth of normality = 0.1 N Normality = Molarity*no of equivalents…

Q: The following chemical reaction takes place in aqueous solution: 2 Fe(NO;),(aq)+3 Na,S(aq)…

Q: A 50.0 mL solution of Ca(OH)₂ with an unknown concentration was titrated with 0.340 M HNO₃. To reach…

A: The reaction of HNO3 and Ca(OH)2 is, In the given reaction moles ratio between HNO3 and Ca(OH)2 is…

Q: A 25.00-mL sample of a household cleaning solution was diluted to 250.0 mL in a volumetric flask. A…

A: Given - Volume of initial solution = 25.00 mL Volume of final diluted solution = 250.0 mL Volume of…

Q: What is the net ionic equation for the following reaction: Na2CO3 + C4H6O6

A: The complete molecular reaction between the above acid and base is => C4H6O6 (aq)+ Na2CO3 (aq)…

Q: What [F–] is required to reduce [Ca2+] to 1.0 × 10–4 M by precipitation of CaF2?

A: Given, [Ca2+] ions of salt CaF2 = 1.0 × 10–4 M Calculating the precipitation of CaF2.

Q: Calculate the equilibrium concentration of Zn2+(aq) in a solution that is initially 0.150 M Zn(NO3)2…

A: The equilibrium constant can be written as the ratio of concentration of products to the…

Q: Calculate the percent ionization of a 0.394 M solution of nitrous acid.

A: As per guidelines if multiple questions first question is allowed to answer, please post question…

Q: A 3.026 grams of Cu (II) salt is dissolved in water and then diluted to 250 mL in a volumetric…

Q: Write a balanced equation for the acid–base reaction thatleads to the production of each of the…

A: Acid and base reacts with each other to form salts. These reactions are known as neutralization…

Q: Complete and balance the following acid–base and acid-carbonate reactions:(a) HCl+Ba(OH)2(b) )…

A: We’ll answer the first three subparts of the question since the exact one wasn’t specified. Please…

Q: Calculate the pH of a solution of 0.25M Nacio(ag). The Ka of HCIO is 2.9 x 108.

A: NaClO is a salt of weak acid HClO. It has pH greater than 7 as it is base.

Q: An impure sample of oxalis acid was oxidized by potassium permanganate. A 0.261g sample of oxalis…

A: The question is based on the concept of titrations. we are titrating oxalic acid with potassium…

Concept explainers

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.

Question

(a) 0.405 g of CaCO₃ is dissolved in HCl and diluted to a volume of 250.00 mL. What is the molarity of calcium ions in the solution? Write the chemical equation for the chemical reaction involved.

(b) A 25.00 mL aliquot (a portion or part) of the standard calcium solution reacts with 27.25 mL of the EDTA solution. What is the molarity of the EDTA?

(c) A 50.00 mL unknown solution requires 25.55 ml of the standardized EDTA solution for complete reaction. What is the Ca²⁺ concentration in the unknown reported as ppm CaCO₃?

Definition Definition Transformation of a chemical species into another chemical species. A chemical reaction consists of breaking existing bonds and forming new ones by changing the position of electrons. These reactions are best explained using a chemical equation.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1 mn

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

A 3.026 grams of Cu (II) salt is dissolved in water and then diluted to 250 mL in a volumetric flask. Iodine is liberated when one gram of KI solution is added to 50.0 mL of aliquot sample. A 23.33 mL of 0.04668 M Na,S,O, solution is required to titrate the iodine liberated. Calculate the weight percent of the Cu in the salt. (A) 11.43%, just before end point (B) 12.43%, just before end point (C) 11.43%, after equivalence point (D) 12.43%, after equivalence point
Calculate the molar concentration of a dilute Ba(OH)2 solution if (a) 50.00 mL yielded 0.1791 g of BaSO4. (b) titration of 0.4512 g of primary standard potassium hydrogen phthalate (KHP) required 26.46 mL of the base. (c) addition of 50.00 mL of the base to 0.3912 g of benzoic acid required a 4.67-mL back-titration with 0.05317 M HCl.
0.7682 g MgCO3 is dissolved in 1000 mL of water, 50 mL of this solution is taken and titrated with EDTA. In titration, calculate the molar concentration of EDTA since 42.35 mL of EDTA is spent. (MgCO3: 84 g/mol).
What is the solubility of Agl in: a) water? b) an aqueous solution of 0.45 M NH3?
In a redox titration, 20ml of Fe(II)SO4 was completely oxidised by 12.5ml of 0.02mol/L acidified dichromate solution. (a) Write a balanced redox equation for the reaction.? (b) Calculate the concentration of the Fe(II)SO4 (three decimal places only) ?
Calculate the concentration of PO43− when Ag3PO4 starts to precipitate from a solution that is 0.0125 M in Ag+.
Write chemical equations for the preparation of sols : (a) Gold sol by reduction. (b) Fe (OH)3 sol by hydrolysis.
Baking powder contains sodium bicarbonate plus an acidic salt like sodium acid tartrate or calcium acid phosphate. Suggest how baking powder can "raise" breads and pastries when mixed with water and heated.
How many milliters of 0.1000 N Ba(OH)2 are theoretically required to titrate 0.0300 g of H3AsO4 to the formation of Ba(H2AsO4)2?
2.60 g of sodium acetate, CH3COONa was dissolved in 150.0 mL ofwater, H2O. A solution of 0.025 M ethanoic acid, CH3COOH was addedinto the above salt solution. Calculate the pH of the mixed solution.
A 0.7120-g specimen of iron ore was dissolved and passed through a Jones reductor. Titration of the Fe(I) produced required 41.63 mL of 0.01926 M KMNO4. Express the results of this analysis in terms of (a) percent Fe and (b) percent Fe2O3.
Explain the difference in pH between diH2O and tap water