2) Na,CO3(aq) + CaCl2(aq) → 2 NaCl(aq) + CACO3(s) Calculate the volume (in mL) of 0.200 M CaCl, needed to produce 2.00 g of CaCO;(s) There is an excess of Na CO3. Molar mass of calcium carbonate = 100.09 g/mol Volume of calcium chloride = mL

Q: The calcium content in a 0.4367-g sample of phosphate rock was determined by first dissolving the…

A: Here we have to determine mass percentage of calcium present in 0.4367 gram phosphate rock  if all…

Q: What is the mass of the solute (in grams) in 165 mL of 2.2×10–5 M H2SO4, a sample of acid rain?

A:

Q: The density of a 5.58 m acetic acid is 1.04 g mL-. What is the molar concentration of this solution?…

A:

Q: One way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is…

A: Given: Mass of silver chloride i.e. AgCl collected = 2.0 mg = 0.002 g                       (Since 1…

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: One hazard of mixing household cleaning chemicals is that unwanted reactions can occur to form…

A: Given :-  Molarity of NaOCl = 0.90 M = 0.90 mol/L   Volume of NaOCl = 100. mL = 0.100 L  Total…

Q: If 45.4 mL of 0.25 M HCl(aq) reacts with an excess of Mg(OH)2(aq), what mass of magnesium chloride…

A:

Q: Titration shows that a 5 mL sample of nitrous acid, HNO2, has a concentration of 0.5 M. If 8 mL of…

A: The balanced chemical equation for the reaction of nitrous acid(HNO2) with Mg(OH)2 can be written…

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: The following chemical reaction takes place in aqueous solution: 2 AGNO3(aq)+K,CO3(aq) → Ag,CO3(s)+2…

A: The net ionic equation is a chemical equation that displays the ions directly involved in the…

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: Write the formulas for the given reactants, predict the products, and balance the entire…

A:

Q: If a vinegar solution contains 7.5% acetic acid, HC2H3O2, what is the molarity of the acetic acid…

A: Given, Density of the solution= 1.01 g/mL % weight of acetic acid in solution= 7.5%

Q: Write a net ionic equation for this reaction

A:

Q: How many grams of sodium dichromate, Na2 Cr2 O7, should be added to a 100.0-mL volumetric flask to…

A:

Q: what mass in grams of Zn(OH)₂ will be formed

A: Number of moles = mass/molar mass  Molarity = moles/volume(in L)  Moles = molarity × volume(in L)…

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

A:

Q: Potassium hydrogen phthalate, KHP, is often used as a primary standard for the standardization of…

A:

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: What kind of reaction is this if you said this was a precipitation write down the chemical formula…

A: The given reaction

Q: When a solution of ammonium chloride, NH4Cl, is added to a solution of lead(II) nitrate, Pb(NO3)2, a…

A: Which of the following is the total ionic equation for this reaction?

Q: The amount of nitrogen in an organic substance can be determined by an analytical method called the…

A: The amount of nitrogen in an organic substance can be determined by an analytical method called the…

Q: One way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is…

A:

Q: One way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is…

A:

Q: Suppose you are titrating vinegar, which is an acetic acid solution of unknown strength, with a…

A:

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: One way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is…

A: The chemical reaction that takes place between copper chloride and silver nitrate is shown below:…

Q: One way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is…

A: Here only we have to use the mass of AgCl precipitate. We convert it into moles and from that we can…

Q: A solution is prepared by adding 25.0 mL of 1.30 M AlCl3 solution to a flask, and then adding enough…

A:

Q: In the analysis of an iron ore by precipitation of the iron as Fe(OH)3, what weight of the sample…

A: Mass% is equal to ratio of the mass of the substance to the total mass of the substance multiplied…

Q: (iii) When 90.00 mL of 0.200 M MnO4¬(aq) was reacted with 200.00 mL of 0.280M H2O2(aq), the amount…

A: The complete balanced reaction for the question is : 2MnO4- + 3H2O2 →2MnO2 + 3O2 + 2OH- + 2H2O…

Q: (a) A student carries out a titration to find the concentration of some sulfuric acid. The student…

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

Q: If you are asked to prepare a 3.10 M NaOH solution in the laboratory, to what volume should you…

A:

Q: When solutions of silver nitrate and potassium chloride are mixed, silver chloride precipitates out…

A:

Q: diluted

A: mmoles of HCl = ( Molarity ) • ( volume )  mmoles of HCl = 3.00molL-1 • 25.00mL  mmoles of HCl =…

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: A mass of 0.4113 g of an unknown acid, HA, is titrated with NaOH(aq). If the acid reacts with 28.10…

A:

Q: One hazard of mixing household cleaning chemicals is that unwanted reactions can occur to form…

A:

Q: Potassium cyanide is a toxic substance, and the median lethal dose depends on the mass of the person…

A:

Q: 1.58g of magnesium hydrogencarbonate was added to a 1.68 mol/L solution of acetic acid, CH3COOH in…

A:

Q: Vinegar is a solution of acetic acid, HC2H3O2, dissolved in water. A 5.54-g sample of vinegar was…

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

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: Calcium chloride and sodium hydroxide react according to the equation: CaCl2 (aq) + 2 NaOH (aq) →…

A: We have given the reaction as follow                                    CaCl2 (aq) + 2 NaOH (aq) →…

Q: Suppose you are titrating vinegar, which is an acetic acid solution of unknown strength, with a…

A: Acetic acid solution of unknown strength is titrated using sodium hydroxide solution. Recall the…

Q: . When aqueous sodium phosphate, Na3PO4, was adde to aqueous sodium chloride,CaCl2, calcium…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

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: One way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is…

A: Given reaction: FeCl2 (aq)  + 2AgNO3 (aq)  ----> 2AgCl(s)  + Fe(NO3)2 (aq)  Volume of ground…

Q: The percentage of sodium hydrogen carbonate, NaHCO3, in a powder for stomach upsets is found by…

A: Determine the moles of acid (from the volume,  and molarity,) and convert to moles of sodium…

Q: Calcium hypochlorite [Ca(OCI)2l is an effective disinfectant for clothing and bedding. If a solution…

A: From given With the given mass and its molar mass , molarity is calculated as follows

Q: Suppose you were preparing 1.0 L of a bleaching solution in a volumetric flask, and it calls for…

A: The answer to the following question is given as: