Which of the following chemicals are insoluble in water? a. Sr(C2H3O2)2 b. TiS2 c. Mn(NO3)2 d. CrCl4 e. LiI

Q: A standard solution of silver nitrate was prepared by dissolving 6.503 g of pure AgNO3 in sufficient…

A: Part a) moles of AgNO3  = mass / molar mass  = 6.503g AgNO3 /169.87 g/mol  = 0.038 moles  molar…

Q: An unknown concentration of sodium thiosulfate, Na2S2O3,Na2S2O3, is used to titrate a standardized…

A:

Q: A solution is contaminated with traces of cadmium, manganese, and cobalt. Which option would be the…

A: One of the removal of heavy metals is by using the solubility factor of these metals. In a saturated…

Q: Use chemical equations to discuss the addition of aqueous KI to [Co(NH;)]Cl,? The conductance of an…

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Q: 23) Solid sodium phosphate (Na3PO4) is dissolved in water. Which equation best represents this…

A: Solid sodium phosphate dissolved in water:

Q: (a) Neutralization of an aqueous solution of barium hydroxide by the hydronium ion (b) Reaction of 1…

A: Reaction are written in the form of equation is called chemical equation, in chemical equation ,…

Q: A 0.4334 g sample of canned tuna was analyzed by the Kjeldahl method; 24.61 mL of 0.1180 M HCl were…

A: Option 4- 9.38%

Q: Which of the following is false regarding the reaction of 130.8 g of Zn with a sufficient amount of…

A: Given: Mass of Zn reacting = 130.8 g.

Q: The oxidation number of Chromium in K2Cr2O7 is? Group of answer choices +7 +5 +6 +12 +2

A:

Q: 4. Which of the eight substances is used to make brass (the alloy)? 5. Argon, neon, sulfur dioxide…

A: (4.) In the above eight substances, only Zinc metal used to make Brass alloy. Brass alloy  -…

Q: Which of the following anions could be used to remove Ag+ from solution while leaving Ba2+? A) Cl-…

A: This is an example of Selective Precipitation. Selective precipitation : Removal of one metal ion…

Q: 315 ml of water was added to 2100 ml of 19M MaCl solution. What is the new concentration of the…

A: Given-> Initial volume (V1) = 2100 ml  Initial molarity (M1) = 19 M Volume of added water = 315…

Q: Calculate the ppm Na+ (23.00 g/mol) in the solution

A: Given 0.3000 g of Na3PO4 (163.94 g/mol) is dissolved in water and diluted to 100.0 mL  We have to…

Q: Can someone please explain to me what happens when the equilibrium is shifted with the following…

A: According to Le Chatelier's principle when a system at equilibrium is subjected to any change then…

Q: Consider the dissociation of the salt BaSO4: BaSO4(s)⇀ Ba2+(aq) SO2−4(aq). a. What is ΔG⊖reaction?…

A: The solubility product constant (Ksp) and standard Gibbs free energy (ΔGo) are related to each other…

Q: MCQ 158: Sand and rocks further added to cement becomes A. concrete B. steel C. iron D. nickel

A: In this question, the name of the mixture formed by adding sand and rocks  to cement, has to be…

Q: Suppose 92.5 mL92.5 mL of a 0.159 M0.159 M solution of Na2SO4Na2SO4 reacts with 143 mL143 mL of a…

A: We have 92.5 ml of a 0.159 M of Na2SO4 ,143 mL of a 0.204 M solution of MgCl2. We have to calculate…

Q: Magnesium reacts with oxygen to form magnesium oxide according to the following reaction: 2 Mg + O2…

A: • Calculation of oxidation Number follow the          following rule :-i oxidation No. of free…

Q: 4. Solid NaCI contains ions. The aqueous solution of NaCl you prepared contained ions. If you tested…

A: Solid NaCl is an example of ionic solid and ionic solid only show conductivity in molten state .

Q: Which of the following chemicals are insoluble in water? a. Al(C2H3O2)3 b. Ba(C2H3O2)2 c. Mo(NO3)2…

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Q: 7. What happens to the solubilities of hydroxides and sulfates as Group 2 is ascended from barium to…

A: 7. On going down the group, the solubility increases for hydroxides. This is because as we down the…

Q: II. Identify oxidizing agent and reducing agent in the reactions. 1. 2Na2S2O3 + I2 → Na2S4O6 + 2NaI…

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Q: 33. 0.2347 g of an ionic compound MX (135.32 g/mol) completely dissociates into its corresponding…

A: I request you to pls repost question (37)

Q: A mixture contains Na2CO3, NaOH, and inert matter. A sample weighing 1.500 g requires 28.85 mL 0f…

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Q: True or false?

A: In this question we have to find correct and incorrect reaction also the real form of the incorrect…

Q: What type of reaction is this? 2 Melz + Mn(SOs2 --> 2 MgSO, + Mnla What type of reaction is this?…

A: A chemical reaction can be defined as a process in which one or more substances  called reactants…

Q: Which of the following materials is Not Soluble ( insoluble ) in water ? a)    AgCl c)  KCl b)…

A: General solubility guidelines for ionic compounds in water are given below:

Q: Each day, the stomach produces 2.0 L of gastric juice that contains 0.10 M HCl. Phillips Milk of…

A: Given that the volume of gastric juice produced is 2L.The molarity of HCl present in gastric juice…

Q: A 0.4334 g sample of canned tuna was analyzed by the Kjeldahl method; 24.61 mL of 0.1180 M HCl were…

A: Given: The mass of the sample is 0.4334 g The volume of hydrochloric acid (HCl) is 24.61 mL The…

Q: Determine the equilibrium constant for the reaction                         2 OF2(g) + SO2(g)  ⇆…

A: Equilibrium constants: Assume a reaction- x A (g) + y B (g) ⇌ u C (g) + v D (g)  where, A and B are…

Q: Halon 1301 (CF3Br) is used for Class B and C fires. It inhibits fire by reacting with the following…

A: halon may be any of a group of organo-halogen compounds containing bromine and fluorine and one or…

Q: What is the solubility (in g/L) for PbBr2(s) in a 1.00 L solution that has 251 g Pb(NO3)2 already…

A: Given Mass of Pb(NO3)2 = 251 gMolar mass of Pb(NO3)2 = 331.2 g/molMoles of Pb(NO3)2 = Mass of…

Q: How many metric tons of charcoal is required to reduce 1500 kg of arsenic trioxide? AS2O3 + C = CO +…

A: Since you have posted multiple questions, we are entitled to answer the first only. 1) The reaction…

Q: 17. What is 72.0 °F in °C and K? A: 22.22; 295.4

A: The formula to convert oF to oC is shown below, ( X °F − 32) × 5/9 = 0 °C   ( 72 °F − 32) × 5/9 =…

Q: A sample of an industrial waste water is analyzed and found to contain 48.6 ppb Ni2+. How many grams…

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Q: II. Identify oxidizing agent and reducing agent in the reactions. 1. 2Na2S203 + I2 Na2S4O6 + 2Nal 2.…

A: Note - Since you have posted a question with multiple sub-parts, we will solve first three…

Q: It was found that 25 ml of a sodium hydroxide solution, which per liter contains 4 g of commercial…

A: Given data contains, Volume of sodium hydroxide is 25mL. Mass of commercial caustic soda is 4g.…

Q: What precipitate is formed in the reaction? a. Br2

A: A decomposition reaction is the type of chemical reaction in which one compound is broken down into…

Q: If 0.15g of Calcium hydroxide is needed in preparing 50mL of Calcium hydroxide topical solution,…

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Q: Suppose that a metal oxide of formula M2O3 were soluble inwater. What would be the major product or…

A: Given-   Metal oxide formula- M2O3

Q: What is the precipitating agent for Group III anions? Make a balanced chemical equation for the…

A: The process of conversion of a solid from soluble to insoluble form is called precipitation. When…

Q: the three solutions lištéd in the crical conductivity and why? Solution 1 M HC,H3O2(aq) 1 M KI(aq) 1…

A: Electrical conductivity depends on 1.number of ions  2. Mobility of ions. 3. Size and viscosity of…

Q: Dissolve 0.25g NaCl, 0.20g NaHCO3, 0.35g KCl, and 1.5g of glucose in 100 mL distilled water using a…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: The correct order of solubility of sulphates of alkaline earth metals in water is BasO4 > SrSO4 >…

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Q: 9. A trisaccharide is a carbohydrate that is composed of three sugar ("saccharide") molecules.…

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Q: calculate the molar concentration of EDTA since 42.35 mL of EDTA is spent. (MgCO3: 84 g/mol).

A: The complex formation reaction between MgCO3 and EDTA is as follows : Mg^2+ + EDTA = [Mg-EDTA]^2+…

Q: Consider the neutralization reaction that occurs between sulfuric acid and sodium hydroxide. How…

A: Buffer solution is defined as the aqueous solution which consists of a weak base/acid and its…

Q: When you dissolve Ce₂(SO4)3 in water, does the reaction give off heat or absorb heat? Is the…

A: The process of exothermic dissolution involves much energy to be released when water molecules…