If 7.3 kg of Na2CO3 are dissolved to make 9.9 L of solution, what is the concentration of CO32- ?

Q: If 20.00 mL (0.0200 L) of the oxalic acid solution prepared in question 6 is used to titrate a NaOH…

A: To calculate the number of moles of the oxalic acid, first, the molarity of the solution should be…

Q: Calculate the concentration (M) of sodium ions in a solution made by diluting 50.0 mL of a 0.874 M…

A: Given values: Initial volume: V1 = 50 mL Initial concentration: C1= 0.874 mL Final volume: V2 = 250…

Q: An engineering student accidently ingests 10 g of paint that contains 5% of lead. How many grams of…

A: The amount of lead in 10.0 g of paint is calculated as shown below. The amount of lead in 10.0 g of…

Q: What is the molarity of a KCl solution made by diluting 35.0 mL of a 0.500 M solution to a final…

A: Given M1 = 0.500 M V1 = 35 ml M2 = ? V2 = 150 ml

Q: What is the concentration in w/v% for 7.50 g Na2SO4 (s) dissolved in 179 mL of solution. (2 SF)

A: Given: Mass of Na2SO4 = 7.50 g Volume of Na2SO4 solution = 179 mL

Q: If 2.7 kg of Na2CO3 concentration of CO32- ? are dissolved to make 4.6 L of solution, what is the…

A:

Q: Prepare 50 mL of the following acid solutions by using the given 38% concentrated HCl and 98%…

A: Given that -  Volume of acid solution of HCl = 50 mL  Volume of acid solution of H2SO4 = 50 mL…

Q: 9. How many moles of carbon dioxide are produced in the reaction between hydrochloric acid and…

A: The law of conservation of mass states that:          The mass of an isolated system can neither be…

Q: Calculate the final concentration of a solution prepared by diluting 1.50 mL of a 20.00 mg/L…

A: Given Volume  of a 20.00 mg/L solution of Fe2+ ions =1.50 mL Diluted upto 10.0 mL To find out final…

Q: The nutritional label on a bottle of soy sauce indicates that one serving (15 mL) of soy sauce…

A:

Q: Consider the neutralization reaction H2SO+2KOH= 2H20+K2SO4. If there is 865ml of 0.35M H2SO4…

A:

Q: What is the molarity of a KCl solution made by diluting 75.0 mL of a 0.200 M solution to a final…

A:

Q: One liter of Jell-O contains 78g of powder. What is the % concentration of Jell-O? a. 78% (v/v) b.…

A: The concentration of Jell-O is  7.8% (w/v)  Option "d" is correct.

Q: Calculate the molarity of 1.3174 g of calcium hydroxide, Ca(OH)2 dissolved in 50.00 mL of solution…

A: The molarity is the concentration expression that is defined as the number of moles of solute…

Q: Blue brilliant dye has a concentration of 24.6 (uM) in Gatorade. What is the concentration of Blue…

A: Given;

Q: Which one of the following compounds is insoluble in water? A. K2CO3 B. CaCl2 C. PbCl2 D. NaNO3

A: Soluble salts are those which completely dissolves in water. There are some salts which are…

Q: What volume of 1.73 M K2Cr2O7 is required to titrate 1.85 g of CH3OH dissolved in 30.0 mL of…

A: Given: Mass of CH3OH=1.85 g The molar mass of CH3OH=32.04 g/mol Moles=Given mass/ Molar mass…

Q: What volume of 0.300 M H2SO4 can be made from 15.5 mL of 0.624 M H2SO4?

A: Please find the attached images for the answer I am giving answer only for question number 1

Q: What concentration of 29.03 mL of H2SO4 can be prepared from 13.53 mL of 0.45 M H2SO4?

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Q: (b) What volume of 0.10 moldm³ sulphuric acid would be required to neutralise a mixture of 1.06 g of…

A:

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: . What is the volume of a 0.5M solution of Al2O3 if there is 5g of Al2O3 a. 0.01L b. 0.1L c. 1.0L d.…

A: Mass of Al2O3 in solution = 5g Molar mass of Al2O3 = 101.96g Molarity of solution = 0.5M Molarity of…

Q: Calculate the number of grams of KOH required to neutralize 22.2 mL of H3PO4 with a concentration of…

A: molarity = moles/volume of solution(in L)  so, moles = molarity × volume (in L)     number of moles…

Q: How many milliliters of 0.8390 M NaOH is required to titrate 39.00 mL of a 0.7380 M H3PO4 solution

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Q: Soluble or Insoluble? Cs2CO3 (Hg2)Br2 Magnesium sulfate Pb(OH)2 Ammonium iodide Cu3(PO4)2

A: The question is based on the concept of solubility. compounds which dissociate completely in aqueous…

Q: 56-57. What mass of Al(OH)3 would be produced if 350.0 mL of 0.4500 M KOH were added to a solution…

A: Here we are required to find the mass of aluminum hydroxide formed .

Q: 20.0 grams of Na2CO3 are dissolved in 1.50 L of water.  What is the molarity of the Na?  a) 0.125 M…

A:

Q: 0.250 g of aluminum sulfate is dissolved in enough water to make 150 mL of solution.

A: We have to find equivalents of sulfate ion

Q: Calculate the volume of 3.0 M H2SO4 required to neutralize the total 3 mL of 4 % borax (by mass)…

A: Given, Mass of borax = 4 g (4% borax solution contains 4 g borax in 100 mL) Volume of borax solution…

Q: Based on the molar ratio in the balanced chemical reaction equation, how many moles of NaOH is…

A: The molar ratio of a balanced equation is calculated using the stoichiometric coefficients. Given:…

Q: What is the % concentration (m/v) of a solution prepared by dissolving 28.3 of NaOH in enough water…

A: Given, mass of NaOH = 28.3 g Volume of solution = 789 ml % (m/v) = ?

Q: 20. How many moles would be present in 25 cm' of the solution of Na2CO3 of concentration 0.5 mol/1?…

A: Given: Molar concentration of Na2CO3 solution = 0.5 molL-1 Volume of the solution =25 cm3 We know,…

Q: 20.0 grams of Na2CO3 are dissolved in 1.50 L of water. What is the molarity of the Na2CO3 solution?…

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Q: Which of the following compounds is insoluble in water? O a. Ag2SO4 O b. AICI3 O c. KBr O d. FeCl2 O…

A: We determine the solubility of compounds in water According to following rules.

Q: If 28.5 g. of Ca(OH)2 is dissolved in enough water to make 185 g. solution. Calculate the %…

A:

Q: How many grams of sodium sulfate will be formed, if you start with 1.50 L of a 4.0 M solution of…

A: The answer for first question is given below. Kindly repost the other question as separate one 1)…

Q: 250 mL of a 1.9 M Mg(OH)2 solution is added to a beaker.  How many moles of Mg(OH)2 were added?  How…

A: Molarity is a way of expressing concentration. It is defined as moles of solute present per liter of…

Q: What is the concentration of Cu2+ in a solution that has been prepared by diluting 1 mL of 0.1 M…

A: Formula used for dilution, C1V1=C2V2C1=initial concentrationV1=initial volumeC2=final…

Q: Calculate the volume of silver nitrate (0.1 M) equivalent to 3.12 x 10-5 mole/L in 100 ml of…

A: Recall the following relation to calculate volume of silver nitrate solution…

Q: 194.3 grams of barium fluoride are weighed out and placed into a 7.82 L volumetric flask and the…

A: Ksp solubility product : when a chemical compound in solid state is in equilibrium with the solution…

Q: 2Co(NO3)3 (aq)+ 3Na2CO3 (aq) = Co2(CO3)3 (s)+ 6NaNO3 (aq) how many grams of sodium carbonate are…

A: Given mass of sodium nitrate is 95.1 g. The balanced chemical equation is given as follows:

Q: An enzyme stock solution is 100 µg/µL. The stock solution is serially diluted 4 times by a dilution…

A: Dilution means addition of solvent to a solution in order to decrease its concentration. Dilution…

Q: The carbonate that will not decompose on heating is : a  Na2CO3 b  CaCO3 c  BaCO3 d   SrCO3 e…

A: Alkali metal carbonates (except lithium carbonate) are highly stable and does not undergo…

Q: What is the concentration of Cu2+ in a solution that has been prepared by diluting 1 mL of 0.1 M…

A:

Q: At 25 °C, only 0.0360 mol of the generic salt AB3 is soluble in 1.00 L of water.…

A: Solubility equilibrium is a type of equilibrium in which a compound in solid state is in equilibrium…

Q: What is the percent by mass of NaHCO3 in a solution containing 20.0 g of NaHCO3 dissolved in 600.0…

A: Density is the ratio of the mass of a substance per unit volume of the substance. The density of an…

Q: What volume (mL) of 0.70 M Sodium hydroxide (NaOH) is needed to neutralize 270 mL of 0.40 M Sulfuric…

A: Given: Molarity of sodium hydroxide M1= 0.70M Molarity of sulfuric acid M2= 0.40M Volume of sulfuric…

Q: Which would be the best electrolyte in water? KCl b)  CO2      c) CH4      d) CCl4

A: Electrolyte is substance that conducts electric current as a result of a dissociation into…

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…

Q: What is the molarity of a KCl solution made by diluting 69.4 mL of a 0.200 M solution to a final…

A: Molarity of a KCl solution made by diluting 69.4 mL of a 0.200 M solution to a final volume of 100.0…

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.