what mass of solid lanthanum oxalate nonahydrate can be obtained from 650 ml of 0.0170 m aqueous solution of LaCl3 by adding a stoichiometric amount of sodium oxalate

Q: A. calculate the volume of standard sodium hydroxide solution (~0.010 M) needed to completely react…

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want…

Q: 125 mL of 0.315 mol/L sodium carbonate and 75.0 mL of 0.155 mol/L silver nitrate are mixed.  What is…

A: Molarity is defined as the number of moles of solute present in 1 L of the solution. M=nVn=M×V

Q: the solutions are additive and that Kp = 4.4 x 104 for methylamine.

A: The question is based on the concept of EQUILIBRIUM. we have to calculate pH of the solution…

Q: Write the balanced chemical equation for conversion of Al(s) to KAl(SO4)2·12H2O(s) in aqueous…

A: The balanced equation is the equation in which the number of atoms of each elements are equal at…

Q: 11. You are determining the K for Al:(CO3)a. You do some careful measurements and determine that…

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Q: Calculate the concentration of cobalt(III) ions in a solution formed by mixing 100 mL of 0.300 M…

A: The question is based on the concept of equilibrium and complex formation. we need to determine…

Q: Mass percent of 2.13g of AgNO dissolved in 30.0 g of H2O

A: To find: Mass percent of 2.13g of AgNO dissolved in 30.0 g of H2O

Q: Calculate delta solutionH (kJ/mol) when potassium bromide is added to water?

A: Let the mass of water used in the solution be m kilograms and the rise in temperature of solution on…

Q: How many lead(II) and iodate ions are present in 3.8 L of a saturated solution of lead(II) iodate?

A: Lead iodate is a bright, yellowish. Odorless solid at room temperature.  It is also become orange or…

Q: The solubility of nitrogen gas at 20 C is 19 mg/L. Calculate the maximum molar and mass…

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Q: Given that 1ml of 0.01M AgNO3 =0.35mg of Clion calculate the concentration of Cl ion per ml of the…

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Q: A 10.00 mL sample of vinegar is titrated with 0.265M NaOH and requires 25.90mL of NaOH to reach the…

A: Vinegar is made of acetic acid and water.

Q: 35.0 mL of 0.255 M nitric acid is added to 45.0 mL of 0.328 M Mg(NO3)2. What is the concentration of…

A: The volume of 1000 mL is equal to 1 L. The number of moles (n) of nitric acid in 35.0 mL of 0.255 M…

Q: Use the systematic treatment to get the concentrations of all the species in a solution of: c.)…

A: Molarity of Solution = moles of solute/volume of solution Molar mass of K2Cr2O4 = 166 g/mol 1 M of…

Q: A 100.0 mL sample of a 0.200 M aqueous solution of K2 mL of a 0.100 M aqueous solution of BaCl2. The…

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Q: What is the percent (m/v) concentration of the solution obtained when 15.2 grams of nickel (II)…

A: Mass by volume (m/v) percentage: It is defined as the mass of solute dissolved in 100 mL of the…

Q: Calculate the number of moles of K+ and CO3 2- ions in 25 cm3 of 0.20 M K2CO3 solution.

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Q: Calculate the concentration of cobalt(III) ions in a solution formed by mixing 200 mL of 0.200 M…

A: The number of moles is a ratio of the mass of a substance to the molar mass of the substance.…

Q: If the normality of HCl is greater by 10% compared to KOH, estimate the normality of the HCl…

A: Given data,Mass of (NH4)2SO4=0.67 gTotal volume of HCl used=20 mLTotal volume of KOH used for excess…

Q: Calculate the mass (in g) of solid sodium hydroxide (molar mass = 39.997 g/mol) required to prepare:…

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Q: What is the solubility(in mol/L) of magnesium hydroxide?

A: Magnesium hydroxide is sparingly soluble salt in water. It is very slightly soluble in water. Ions…

Q: Iron(III) sulfate is used as a coagulant for industrial waste. Write a dissociation equation and…

A: We will first write dissociation equation for iron sulfate. Then calculate its concentration needed.…

Q: Write the procedure and necessary calculations for the preparation of 250 mL of 100 PPB of Cadmium…

A: Given: Volume of solution = 250 mL. And concentration of cadmium ion = 100 ppb.

Q: A solution was prepared by dissolving 1210 mg of K3Fe(CN)6 (329.2 g/mol) in sufficient water to give…

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Q: What is the solubility of Agl in: a) water? b) an aqueous solution of 0.45 M NH3?

A: 'Like dissolves like' is the thumb rule for dissolution of solute in solvent. This means ionic…

Q: What is the concentration of F— ions when 422.569 mg of MgF2 (62.3018 g/mol) completely dissociates…

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Q: Temperature of saturated Copper (II) Sulfate solution with concentration of 2.28 mol%.

A: Concentration of copper(II) sulfate saturated solution is 2.28 mol%

Q: Consider these compound A A(OH) B. Cr(OH), C AgCN D. Mgco, Complete the fellowing statements by…

A: We can compare Ksp value of compounds to predict the solubility relation .  Compound which have…

Q: Estimate the calcium concentration (in ppm by mass) in a groundwater sample, which has a pH of 5.63.…

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Q: Which of the following slightly soluble substances will exhibit greater solubility in nitric acid…

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Q: What is the iron(II) ion concentration in a solution prepared by mixing 329 mL of 0.411 M iron(II)…

A: We have to find iron concentration

Q: The acidic water of a lake (V = 4 x 108 L) must be neutralized with lime, Cao. It will require a…

A: Initial pH of the lake = 5.6 Thus, initial [H+] is determined as- [H+]=10-pH =10-5.6∴[H+]=…

Q: What pressure is required to achieve a CO2 concentration of 9.50×10-2 M at 20° C?

A: The solubility of any gas in liquid is given by the Henry's law as, => S = K P  where S =…

Q: What is the solubility of NH3 if its partial pressure is reduced to 30,000 Pa?

A: According to Henry’s law, the solubility of a gas is expressed as S = KP where S is the solubility,…

Q: Balanced chemical equation for conversion of Al(s) to KAl(SO4)2·12H2O(s) in aqueous solution

A: The salt to be formed is KAl(SO4)2·12H2O. Since in the salt we have Al in 3+ oxidation state and…

Q: Calculate the amount of HCl for preparing 0,5 M 100 ml HCl solution from the concentrated % 37 HCl…

A: Given problem can be solved by using the formula given below as:  Volume Required mL×% of…

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

A: Neutralization :- The reaction of an acid with a base to form salt and water is known as…

Q: Calculate the number of moles of ( Cl–) ions in 15.0 mL of 0.20 mol/L ( AlCl3) solution in water?…

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Q: Describe the preparationof 750 mLof a solution that is 0.0900 M in K + , starting with solid…

A: Given that -  Volume of Solution containing K+ ions = 750 mL = 750/1000 = 0.750 L  Molarity of this…

Q: A. calculate the volume of standard sodium hydroxide solution (~0.010 M) needed to completely react…

A: Given, The molarity of sodium hydroxide solution = 0.010 M The molarity of potassium ferrioxalate…

Q: Use the averaged volume of 0.020M KMnO4(aq) solution to calculate the number of moles of KMnO4…

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Q: 3. What is the minimum volume of ammonium sulfide with a concentration of 0.001 mol/L should be…

A: The balanced chemical equation of Manganese chloride reacting with ammonium sulfide is shown below,…

Q: Calculate the Formal and Molar concentrations of the constituents in 2.30 g of ethanol (g. i 46.1)…

A: formal concentration= 2.30*1000/3500 =0.46

Q: A 0.3749 g soda ash sample is analyzed by titrating sodium carbonate with the standard 0.2388M HCl…

A: The amount of sodium carbonate present in the given soda ash temple is equal to the amount of…

Q: The titration of 0.314 g of potassium hydrogen phthalate (KHP) requires 13.16 mL of a NaOH solution.…

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A: Solubility Product constant value Ksp for Barium chromate ( BaCrO4 ) is 2.2 • 10^-10  Ksp = 2.2 •…

Q: متعد د الخيارات What is the weight required to prepare a 0.02 M solution of silver nitrate AgNO3 in…

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Q: Which salt would you expect to dissolve readily in acidic solution, calcium phosphate, Ca3(PO4)2, or…

A: Answer :-  In acidic solution, calcium phosphate, Ca3(PO4)2 is readily soluble than calcium sulfate,…