What element is being oxidized in the following redox reaction? Mg2 (aq) + NH4"(aq) > Mg(s) + NO3 (ag) O Mg

Q: The following chemical reaction takes place in aqueous solution: AGNO3(aq)+NH¼I(aq)…

A: The chemical reaction takes place in aqueous solution is given by: The ions for the following…

Q: What volume (in mL ) of 0.160mol / L calcium hydroxide , Ca(OH) 2 (aq) , is needed to completely…

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Q: 13. Write the balanced equation, the ionic, and net ionic equation for the reaction of Iron II…

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Q: A stock solution of potassium permanganate (KMNO4) was prepared by dissolving 10.0 g KMNO4 with DI…

A: To solve this problem we will first calculate the number of moles of KMnO4   Then Molarity will be…

Q: An unspecified amount of sulfuric acid is added to 1.19 g of solid barium chloride, then water is…

A: Given: mass of BaCl2 = 1.19 g Total volume of solution = 1.72 L molar mass of BaCl2 = 208.23 g/mol

Q: About 6x 10°g of goldis thought to be dissolved in the oceans of the world. If the total volume of…

A: Given, Mass of gold = 6*109g Volume of ocean = 1.5 *1021L

Q: What volume (in mL) of 0.436 mol/L calcium hydroxide, Ca(OH)2(aq), is needed to completely…

A: Answer: the volume of calcium hydroxide [Ca(OH)2] solution needed is 16.31 mL.

Q: A solution is prepared by dissolving 45.6 g of Mg(NO3)2 in 515 g of water. The density of the…

A: Definition: Molarity is a concentration term for a solution. The molarity of a given solution is…

Q: Calculate the concentration of an aqueous solution with a volume of 350 mL in which 10.5 g of…

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Q: 2) Hydrogen peroxide (H2O2) reacts with the permanganate ion (MnO4) in acidic solution according to…

A: a.

Q: How many moles and numbers of ions of each type are present in the following aqueous solution? 71.8…

A: Magnesium chloride is highly soluble in water and thus it exists in solution as-   Therefore, 1…

Q: Sodium carbonate, Na2CO3, can be titrated with HCl according to the following balanced chemical…

A: First, the given grams of sodium carbonate is converted into moles.

Q: The following chemical reaction takes place in aqueous solution: 2 AGNO3(aq)+Na,S(aq) →Ag,S(s)+2…

A: 2AgNO3(aq) + Na2S(aq) ---------> Ag2S(s)   + 2NaNO3(aq)

Q: For the reaction 3 КОН + Н, РО, → K,PO, + 3 H,0 how many grams of phosphoric acid, H3PO4, are needed…

A: Consider the molar masses of reactant and product species as; Molecular mass of KOH = 56.10 g/mol…

Q: What is the net ionic equation for the chemical reaction that occurs when aqueous solutions of…

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Q: Sodium carbonate is often added to laundry detergents to soften hard water and make the detergent…

A: Given,Concentration of Ca2+ = 3.8×10−3 M = 3.8×10−3 mol/LConcentration of Mg2+ = 1.1×10−3 M =…

Q: A sample of 7.44 grams of magnesium chloride is weighed out on a balanced and prepared to a volume…

A: Interpretation: A sample of 7.44 grams of magnesium chloride is weighted out on a balanced and…

Q: You have a solution which is 45.6% by mass isopropyl alcohol (MM = 60.11 g/mol) in water. The…

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Q: The spectator ions in the reaction between aqueous hydrochloric acid and aqueous calcium hydroxide…

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Q: How many moles of sulfuric acid,H2SO4, are neutralized by 23.46 mL of 0.238 M NaOH(aq)? Begin by…

A: The neutralization reaction of H2SO4 by NaOH takes place forming salt and water. It can be expressed…

Q: What is the mass of the solute (in grams) in 325 mL of 1.8×10–6 M FeSO4, the minimum concentration…

A: molarity  = (no. Of moles of solute ÷ volume of solution in liter) Given volume = 325 ml = 0.325…

Q: A mixture of barium chloride and sulfuric acid yield the precipitate barium sulfate and hydrochloric…

A: Number of atoms, ions and molecules present on a given amount can be determined by “Mole Concept”.…

Q: Consider the following precipitation reaction: 5 Fe2+(aq) + MnO4-(aq) + 8 H+(aq) → 5 Fe3+(aq) +…

A: The given reaction is: Volume of solution = 31.57 mL Weight iron sample = 0.276 g To determine: The…

Q: Calculate the concentration, in grams of solute per 100 g of water, of a solution in which 7.462g of…

A: Given,7.462 g of solute dissolved in 25.50 mL of water.Determine the concentration in grams per…

Q: From the following formula, calculate the amount, in grams, of Hydrophilic ointment required to…

A: Mass of ointment = 10 g + 2g +88 g = 100g For 100 g ointment, mass of Hydrophilic ointment = 88 g

Q: What are the spectator ions in the following chemical reaction? Mg(NO3)2(aq) + 2 NaOH (aq)…

A: Spectator ions are those that are present on both the reactant side and product side and get…

Q: The following chemical reaction takes place in aqueous solution: 2 AgNO3(aq)+Na,S(aq)…

A: To write the net ionic equation the following steps are involved 1. Write the balanced equation 2.…

Q: In the molecule HClO4, what is the total of the oxidation numbers of the one hydrogen and four…

A: (a) According to the electroneutrality principle, in a neutral compound                         "The…

Q: A sample of seawater from a tidal estuary was found to contain a concentration of 597 mg of chloride…

A: Molarity is defined as the number of moles of solute dissolved per liter of the solution. Molarity,…

Q: The following chemical reaction takes place in aqueous solution: CuBr,(aq)+K,S(aq) →CUS(s)+2 KBr(aq)…

A: Given: CuBr2(aq) + K2S(aq) → CuS(s) + 2KBr(aq)

Q: Complete the followin reaction by providing the products formed. Then balance the reaction and write…

A: The above given reaction is a double displacement reaction. Hence the products forming will be…

Q: A sample of seawater from a tidal estuary was found to contain a concentration of 711 mg of chloride…

A: Given values-> Weight of chloride ion = 711mg = 711 × 10^-3gram Density = 1.035gm/mole

Q: Write the reaction using chemical formulas and showing the states of matter (s, 1, g, aq) for the…

A: The given reaction represents a double displacement reaction. In such reactions, simultaneous…

Q: A fertilizer railroad car carrying 34,300 gallons of commercialaqueous ammonia (30% ammonia by…

A: In order to calculate the amount of citric acid required to neutralize the spill we first write down…

Q: How many moles and numbers of ions of each type are present in the following aqueous solution? 51.7…

A: Given : Concentration of MgCl2 = 1.35 M And volume of MgCl2 solution = 51.7 mL = 0.0517 L…

Q: If 100.0 mL of potassium dichromate solution (10.0 g of K2Cr207 per liter) was mixed with 75.0 mL of…

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Q: The ubbalance equation for the reaction between bromine, Br2, and aqueous iodate ion IO3^- in acidic…

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Q: A 10.0 g of calcium chloride dihydrate, CaCl2•2H2O, in enough water to make exactly 500.0 mL of…

A: Given  Mass of solute( CaCl2.2H2O) = 10.0 g Volume of solution = 500.0 mL    = (500/1000) L We know…

Q: One cup of fresh orange juice contains 550 mg of ascorbic acid (vitamin C, ). Given that one cup =…

A: Molarity is defined as total number of moles of solute dissolved in one litre of solution Molarity…

Q: What products result from mixing aqueous solutions of Cr(NO3)2(aq) and NaNO3(aq)?

A: Since both the salts have same anions hence there will be no net reaction on mixing them.

Q: Riboflavin, also known as vitamin B2, is a vitamin found in food and used as a dietary supplement..…

A: In order to find the molarity of the resultant solution we first write down the given data: Mass of…

Q: What mass of solid potassium oxalate (K2C2O4), when dissolved in an acidic solution, would be…

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Q: What is the weight percentage of hydrochloric acid (HCI, molar mass = 36.46 g/mol) in an aqueous…

A: The Molality of solution is the number of moles of solute present in one kilogram of solvent. It is…

Q: The density of an aqueous solution containing 40.0% sulfuric acid (H2SO4) by mole is 1.681 g/mL. b)…

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Q: The concentration of acetylsalicylic acid, C9H8O4, in aspirin tablets is determined by hydrolyzing…

A: Solution A stock resolution could be a focused resolution which will be diluted to some lower…

Q: Hydrochloric acid, HCl, and calcium hydroxide, Ca(OH)2, react with each other in a neutralization…

A: The reaction taking place will be  Ca(OH)2 + 2 HCl ------> CaCl2 + 2 H2O

Q: 1.3334 grams of Aluminum chloride was dissolved in distilled water up to 100 mL. What is the molar…

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Q: Sodium carbonate is often added to laundry detergents to soften hard water and make the detergent…

A: Given,3.8×10−3 M in Ca2+ and 1.1×10−3 M in Mg2+ The average capacity of a washing machine is 24.5…

Q: A sample of 18.5 grams of sodium phosphate is weighed out on a balance and prepared to a volume of…

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