In one experiment, 0.0995M HCl was used to analyze soda ash and the following data were obtained:        Mass of Na2CO3 0.2980 g Initial reading of HCl 0.20mL Final reading of HCl 20.00mL What is the percent Na2CO3 in the soda ash sample?

Q: A chemistry student adds a quantity of an unknown solid compound X to 650. mL of distilled water at…

A: We will calculate the solubility using data given.

Q: The principal active ingredient in antacids is 0.00200M Al(OH)3 (76.98 g/mol). If all hydroxide ions…

A: Concentration in terms of normality  is .

Q: A chemistry student adds a quantity of an unknown solid compound X to 600. mL of distilled water at…

A:

Q: We have a liter of sulfuric acid solution of 98% richness and density 1.84g/ ml. Calculate: a) the…

A: 98% richness of H2SO4 means 98 g of H2SO4 present in 100 g of the solution. The volume of the…

Q: Concentrated phosphoric acid is 85.0% by mass H3PO4. If the molarity of concentrated H3PO4 is 14.5…

A:

Q: If an mL of Hydrochloric Acid is equivalent to 1.5mL of 0.5N Sodium Hydroxide, the volume of alkali…

A:

Q: 10.0-mL sample of household ammonia solution required 27.50 mL of 0.241 M HNO3 for neutralization.…

A: The solution is as follows:

Q: A 12.00 g of pentane (72.17 g/mol) reacts with 6.500 g of oxygen (32.00 g/mol) to produce carbon…

A: Given that, a 12.0 g of pentane reacts with 6.50 g of oxygen to produce carbon dioxide and water.…

Q: When 65 g of rubbing alcohol is mixed with 35 g of water, the resulting solution has an alcohol mass…

A: The mass of rubbing alcohol is = 65 g The mass of water is = 35 g The mass of solution is = 35 g+ 65…

Q: Given: Na2CO3+2HCl -->2NaCl+H2O+CO2 A 0.971gram  sample of Na2CO3 is reacted with 14.2mL of 1.20M…

A:

Q: Calculate the following concentrations for an aluminum hydroxide Al(OH)3 solution containing 150 g…

A:

Q: Two ways the concentration of a solution can be reported are: 1) mass % and 2) molarity. The reagent…

A: Given, the weight percent of HCI is 36.5-38%. This indicates that in 100g of solution of HCI, you…

Q: A solution is made by adding 71.2g of NaS to water until the solution volume is 500.0mL. What is the…

A: Given :-  Mass of NaS = 71.2 g  Volume of solution = 500.0 mL  To calculate :-  Molarity of solution…

Q: The therapeutic concentration—the concentration needed to be effective—of acetaminophen (C 8H 9NO 2,…

A: a) 1 ppm is equivalent to 1 mg/L of solution.  Thus 15 ppm will be equivalent to 15 mg/L. Conversion…

Q: A 1.5L nitric acid solution was prepared by mixing 5mL of concentrated nitric acid (SG = 1.42) with…

A: Volume of final solution = 1.5 L  Volume of nitric acid taken = 5 mL

Q: 2. An alcohol solution contains 35.0 g of 1-propanol (C3H7OH) and 150 g of ethanol (C2H50H). (a)…

A: Consider the given information is as follows; Mass of 1-propanol = 35.0 g                  (solute…

Q: solution of potassium dichromate by measuring out 2.7g of potassium dichromate into a 200.mL…

A: Molarity  Moles of solute present per liter of solution is called molarity of a solution. Molarity…

Q: You are in charge of making a 0.10 M solution of NaHCO3. How much  NaHCO3, in grams, needs to be…

A: Given: Molarity of NaHCO3 is 0.10 M Volume is 1.0 L To find: Mass of NaHCO3

Q: Concentrated sulfuric acid has a density of 1.84 g/cm3 and is 95.0% by mass H2SO4.  (Hint:   assume…

A: Assuming 1.00 L i.e 1000 mL of solution. Given : Percent by mass of H2SO4 = 95.0 % And density of…

Q: You have a stock solution of 20% (w/w) Triton X-100, a viscous detergent often used to permeabilise…

A: 20%(w/w) means that 20 g of solute in the 100 g solution. Volume of the solution is, Volume = mass ÷…

Q: e.What is the molarity and normality of a solution which is prepared by dissolving 75.0 g of Ba(OH)₂…

A:

Q: Given information: • Molar mass of bleach: 74.5 g/mol 0.04466 g bleach Volume of Na2S203 = 25.0 mL =…

A: ***Since you have posted a question with multiple subparts,we will solve the first three subparts…

Q: 1. What mass of NaCl is needed to prepare 5000 vaccine doses? 2. Find the concentration of the…

A:

Q: A student has 500.0 mL of a 5.75 x 10 M ZNC204 solution. Sufficient Na2C204 is added to maintain the…

A: After addition of Na2C2O4  some ZnC2O4 is precipitate out. So determine final concentration of Zn+2…

Q: A 19.51 ݃ sample of impure methylamine, which contains 72.58% (by mass) of CH3NH2 , is reacted with…

A: The ratio of moles of solute to the volume of solution in liters is known as molarity.

Q: 100 90 NANO, 80 70 60 CaCl, 50 Pb(NO3)2 40 KCI NaCI 30 20 KCIO, 10 Ce,(SO)3 10 20 30 40 50 60 70 80…

A: We can determine how many grams of K2Cr2O7  can be dissolved in 100 g of water at  80°C by taking a…

Q: Water is analyzed in wine by the Karl Fisher method with the following reaction: 12 + SO2 + 2H₂O 2HI…

A:

Q: Zinc dissolves in hydrochloric acid to yield hydrogen gas: Zn(s) + 2HCI(aq) → ZnCl2(aq) + H2(g) What…

A: Using stoichiometric ratio we can determine how many moles of each reactant reacts . From that we…

Q: Calculate the molar it’s of a solution prepared by dissolving 12.50 g of NaNO3 in 250 ml of…

A: Molarity has the unit of a molar, which is represented as M. It can be defined as the number of…

Q: Roviee Topics The concentrations of pollutants are often reported as parts per million (ppm). Parts…

A: Given: Limit concentration for barium is 2.0 ppm.

Q: solution of sodium nitrate by measuring out 37.9g of sodium nitrate into a 50.mL volumetric flask…

A: A numerical problem based on molarity concept, which is to be accomplished.

Q: How many sodium (Na) atoms are in 1.0 L of a 1.0 M solution of sodium carbonate (Na2CO3, 106.0…

A: Mole= molarity×volume  Mole= 1×1=1 mole of Na2Co3 1 mole Na2Co3 gives 2 mole of Na+  Mole of sodium…

Q: When 100 g of the 90% pure solid urea, CO(NH2)2, is dissolved in water and diluted to 3.00 L. What…

A: Given mass of solid urea = 100g percentage of pure ammonia = 90℅ volume of solution = 3 L

Q: DinuLLON Process of dilution: add solvent to conc, soln, "concentrated" solution of solute X…

A: Molarity is a concentration term which is used to define the concentration of the solution. Molarity…

Q: chemist prepares a solution of aluminum chloride AlCl3 by measuring out 32.μmol of aluminum…

A: Concentration is defined as total number of moles of solute present in 1000ml of solution.…

Q: About measures: choose only the correct alternative(s). Choose one or more: a) 10.0 g of ascorbic…

A:

Q: A solution containing 78 g of NaNO3 in 70. g H2O at 50 °C is cooled to 20 °C. Use the solubility…

A: As per the data given 88 gm of NaNO3 is soluble per 100 gm of H2O at 20°C while 110 gm of NaNO3 per…

Q: he volume of a solution of ethanol, C2H6O, that is 94.0% ethanol by mass contains 0.200 mol C2H6O is…

A:

Q: An impure sample contains 1.09 g of impurities and 5.07 g of benzoic acid.  The impure sample is…

A: Solubility is used to determine the amount of solute at equilibrium which is dissolve in solvent.

Q: What mass of Ba(IO3)2 (487 g/mol) can be dissolved in 250 mL of water at 25°C? Ba(IO3)2 ⇌ Ba2+ + 2…

A:

Q: Part A Pure acetic acid (HC,H3O2) is a liquid and is known as glacial acetic acid. Calculate the…

A: Molarity of a solution can be calculated by help of Following formula -    (1) Molarity= mass ×…

Q: A. Use the equation to calculate the following: 2 NaOH(aq) + H,SO4(aq) → Na,SO,(aq) + 2 H,O(1) the…

A: 1. From the reaction it is clear that one mole of Na2SO4 is obtained from one mole of H2SO4. So, 3.6…

Q: A 2.15 L volume of KOH of an unknown concentration is mixed with 2050 mL of 0.445 M NaOH. The…

A: If same nature of two solutions are mixed with different concentrations and volumes then the…

Q: Given equimolar amounts of these solids in separate beakers of distilled water, which one would…

A: A compound that can dissociate into greater number of ions in solution making concentration higher…

Q: A 3.458 g sample of KHP, a monoprotic acid, requires 45.71 mL of a KOH solution to reach the…

A: Mass of KHP = 3.458 g Molar Mass of KHP = 204.22 g mol-1 Molar Mass of KOH = 56.106 g mol-1 Volume…

Q: What is the molarity of a solution prepared by dissolving 317 g of CaCI2 into enough water to make…

A:

Q: alculate the molarity of the following aqueous solutions:   a). 0.540 g of Mg(NO3)2 in 250.0 mL of…

A: Given: The mass of Mg(NO3)2 (magnesium nitrate) is 0.540 g in 250.0 mL of solution The mass of…

Q: Formalin is an aqueous solution that is made by dissolving formaldehyde gas, HCHO(g), in water. A…

A: Given: %(m/v) of formalin solution = 38.86 %. Assuming 100 mL of the solution i.e. 0.100 L.

Q: A 6.42% (w/w) Fe(NO3)3 (241.81 g/mol) solution has a density of 1.059 g/mL. Calculate the molar…

A: Two numerical problems based on the concept of solutions, which are to be accomplished.