metal ions! 3+ 2+ 4.35 Water "softeners" remove metal ions such as Caand Fe by replacing them with enough Na ions to maintain the same number of positive charges in the solution. If 1.0x10 L of "hard" water is 0.015 M Ca and 0.0010 M Fe, how many moles of Na are needed to replace these ions? 9 3+ Wising Ecuations for Aqueous lonic Reactions

Q: A 18.0 wt% solution of CaCl₂ (110.98 g/mol) has a density of 1.165 g/mL. What is the mass, in…

A:

Q: What is the minimum amount of 6.0 M H,SO, necessary to pro- duce 25.0 g of H2(g) according to the…

A: A chemical reaction a process in which one or more than one substance, the reactants, are converted…

Q: 100 90 NANO 70 80 CaC 50 60 Pb(NO)2 40 NaCl 30 KCI 20 10 KCIO, Ce,(SO) Solubility (g of salt in 100…

A: The power of a solid, liquid, or gaseous chemical compound (referred to as the solute) to dissolve…

Q: Your laboratory uses an analytical instrument for lead (Pb) that requires calibration with four…

A: Solution - According to the question - Given - M2 = 50 µg/ml V2 = 95 ml + 5 ml = 100 ml V1 = 5 ml…

Q: If 0.664 g of an acid was required to neutralize 10.0 mL of 0.800 M NaOH, calculate the Molar Mass…

A: Given: Mass of acid = 0.664 g Volume of NaOH = 10.0 mL Molarity of NaOH = 0.800 M Acid reacts with…

Q: 7. A solution of hydrochloric acid in water is 60.0% HCl and 40.0% water, H20 by weight. The soluion…

A: Given,

Q: A. A student weighs out a 10.1 g sample of NaBr,transfer it to a 500.mL volumetric flask,adds…

A: The molarity of a solution is calculated using formula:   Molarity=No.of moles of soluteVolume of…

Q: the give and sodium chloride, and then write the net ionic equation. Show states for all reactants…

A: 5. Hess's law is constant heat of summation and this law states that total enthalpy change during…

Q: A titration is performed to determine the amount of sulfuric acid, H2SO4, in a 6.5 mL sample taken…

A: The balanced chemical equation between H2SO4 and NaOH states that one mole of H2SO4 reacts with two…

Q: A mixture of bases can sometimes be the active ingredient in antacid tablets. If 0.4826 g of a…

A: Given data: Mass of the mixture = 0.4826 g Volume of HNO3 = 17.30 mL Molarity of HNO3 = 1 M Formula…

Q: When 25 mL of 0.800 M Ca(NO3)2 is added to 75.0 mL of 0.600 M NaF, CaF2 precipitates. What is the…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: Consider a 0.586 M aqueous solution of barium hydroxide, Вa(ОН)2Ba(ОН)2 (аq). How many grams of…

A:

Q: Calculate the moles of each reactant: moles = volume (in Liters) x Molarity (in mole/Liter) HCL +…

A: Given :-  HCl + NaOH →  Molarity of HCl solution = 1.0 mol/L  Molarity of NaOH solution = 1.0 mol/L…

Q: Water “softeners” remove metal ions such as Ca2+ and Fe3+ by replacing them with enough Na+ ions to…

A: The given data contains, Volume = 1000 L. Ca2+=0.015 MFe3+=0.0010 M.

Q: Consider the following unbalanced equation: AgNO3 (aq) + CaCl2 (aq) → AgCl (s) + Ca(NO3)2 (aq) How…

A: Balanced chemical equation: 2AgNO3 (aq) + CaCl2 (aq) → 2AgCl (s) + Ca(NO3)2 (aq) Number of moles of…

Q: What is the molarity of 25.0 g of sodium acetate dissolved in enough water to make 250.0 mL of…

A: Given: Mass of sodium acetate = 25 g The volume of the solution = 250 mL =0.250 L Standard data:…

Q: 4. Calculate the molarity of each of the following solutions: (a) 10.0 g H,SO, in 250 mL of solution…

A: Answer: These questions are based on the basic understanding of concentration terms and relation…

Q: If 22.0 g of CH₃OH (MM = 32.04 g/mol) are added to a 500.0 mL volumetric flask, and water is added…

A: Mass of CH3OH = 22.0 g  Molar Mass = 32.04 g/mol  Volume = 500.0 mL  = 0.5 L

Q: A chemist prepares a solution by dissolving 0.3 mole of CaCl2 in enough water to make 1000 mL of…

A: Given: The number of moles of CaCl2 = 0.3 mole The volume of the solution = 1000 mL We have to…

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: 1.15 x 10-4 moles of IO3- required 11.56 ml of S2O32- to completeley react, what is the molarity of…

A:

Q: If 50.0 mL of a 0.10 M solution of sodium chloride is mixed with 50.0 mL of 0.10 M magnesium…

A: The solubility of NaCl and MgCl2 in water is very high and 3 mol of Cl- ions will be obtained when…

Q: Write the balanced COMPLETE ionic equation for the reaction when aqu

A: Reaction takesplace and the balanced equation is      NiCl2 (aq) + Na2S(aq)  → NiS (s) + 2…

Q: 4. A student weighs out 1.245 grams of potassium hydrogen phthalate (molar mass 204.2 grams = 1…

A: 4). Given mass of potassium hydrogen Phthalate = 1.245 g Molar mass of potassium hydrogen Phthalate…

Q: 6. A preparation of soda ash is known to contain 98.6% NażCO3. If a 0.845-g sample requires 30.1 mL…

A: 6) Acid base neutralization reaction :-        In the acid base reaction the one gram equivalent…

Q: If 2.06 mL a 0.747 M solution of oxalic acid is mixed with 10.13 mL of water and  6.11 mL of…

A:

Q: If 40.6 g of CH:OH (MM = 32.04 g/mol) are added to a 500.0 mL volumetric flask, and water is added…

A:

Q: How many grams of nitric acid , HNO,, are required to neutralize (completely react with) 4.30 g of…

A: Answer :- 7.31 g  The mass of HNO3 required to neutralize 4.30 g Ca(OH)2 = 7.31 g…

Q: 3. With 85 % H2SO, by volume in water being used in the reaction, how many moles of water will be…

A: Since you have asked multiple questions, we will solve one question for you. If you want any…

Q: The Stockroom has provided you with 2.000 M NaOH. Predict how much sodium hydroxide it will take to…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: hydroxide if 0.321 g sodium carbonate is dissolved in 250 mL. Na2CO3 + H2O 2NaOH + H2CO3 MM of…

A:

Q: Prior to breathalyzers, blood alcohol (C2H$OH) level can be determined by reacting a sample of blood…

A: The level of alcohol in blood can be measured with the help of redox titration with potassium…

Q: 2.}5 mL of nitric acid, HNO9, are required to react with 50 ml of a 1.25 M Barium hydroxide, Ba(OH2…

A: We know that, Molarity = (Number of mole of solute) / (Volume of solution)  At equivalent point, No…

Q: What is the correct net ionic equation,

A:

Q: 6) Vinegar can be assayed to determine its acetic acid content. Determine the molarity of acetic…

A:

Q: An unknown solution labeled only by its concentration was analyzed. It was labeled to have "1.000 M…

A: Given volume of X(NO3)2 solution is 10.00 mL and strength is 1.000 M  Given volume of NaOH solution…

Q: A student weighs out a 11.4 g sample of AI(CH3COO)3, transfers it to a 250. mL volumetric flask,…

A: The number of moles of solute present in one liter of solution is known as the molarity of the…

Q: Consider the complete neutralization reaction of phosphoric acid with calcium hydroxide.   How many…

A: Dear student, Reaction between an acid and a base resulting in the formation of salt and water is…

Q: 100 90 NaNO 80 70 CaCl, Pb(NO)2 60 50 40 KCI NaCi 30 20 KCIO, 10 Ce,(SO) O 10 20 30 40 50 60 70 80…

A: From given graph , in 100 g H2O Solubility of K2Cr2O7 at 80 degree Celsius = 57 g  Solubility of…

Q: Ca(OH)2(aq) + Na2SO4 (aq) —> 2NaOH (aq) + CaSO4 If 45.0 mL of a 4.00 M sodium sulfate (Na2SO4)…

A:

Q: Propane (C3H8) burns in this reaction: C3H8 + 5O2 → 4H2O + 3CO2 If 200 g of propape is burned: a.…

A: Given, Propane (C3H8) burns in this reaction: C3H8 + 5O2 → 4H2O + 3CO2 If 200 g of propape is…

Q: 3. a. Write the acid base equation for hydrochloric acid reacting with calcium hydroxide. b. If 40.0…

A:

Q: If 7.37 g of Naz C0, is dissolved in enough water to make 250. mL of solution, what is the molar…

A: The mathematical expression to calculate the molar concentration of a solution is given…

Q: 3. How many moles of NaOH would it take to neutralize 1 mol of HCI? How many moles of NaOH would it…

A: The reaction between acid and base is known as neutralization reaction. The reaction of acid and…

Q: How do I solve this?

A: The solubility rules as follows,If a compound contains ammonium ion and group IA cations such as…

Q: Hydrochloric acid and magnesium hydroxide react according to the unbalance reaction below.  You must…

A: The balanced chemical reaction is, 2HCl + Mg(OH)2 → MgCl2 + 2H2O Here, both sides contain 4…

Q: If 1.80 moles of NaCl was dissolved in enough water to make 3.60 L of solution, what is the…

A: Molarity is the no. Of moles of solute dissolved per litre of the solution.

Q: Does a reaction occur when aqueous solutions of nickel(II) acetate and magnesium iodide are…

A: A reaction occur between two solutions if any solid compound form when they react. So, we would use…