An aqueous potassium carbonate solution is made by dissolving 6.78 moles of K2CO3 in sufficient water so that the final volume of the solution is 2.60 L. Calculate the molarity of the K2CO3 solution. concentration ____________________ M

Q: [References] Suppose you dilute 30.0 mL of a 0.100 M solution of Naz CO3 to exactly 100.0 mL. You…

A: Stock solution 1 Initial molarity (M1) = 0.100 M Initial volume (V1) = 30.0 ml

Q: Z is a weak base. An aqueous solution of Naz is prepared by dissolving 0.350 mol of Naz in…

A: Dear student I have given answer to your question in the image format.

Q: A chunk of Zn was breaks down on 200 mL of 0.750 mol/Liter Hydrochloric acid. After that rx, 100 mL…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: A solution contains 0.0040 M Na3PO4. Calculate the minimum concentration (in M) of Ag* needed to…

A:

Q: 1000 μl of 1M NaCl stock solution (aq). How you would perform serial dilution to obtain 10-1,…

A: in laboratory, a standard solution is prepared which is called as stock solution.the other solution…

Q: A 50.0 mL sample of 0.436 M NHANO3 is diluted with water to a total volume of 250.0 mL. What is the…

A:

Q: 2. Calculate the [H*], [S²] and [HS] in a solution prepared by dissolving 0.10 mole of H2S in…

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Q: Solubility Curve 100| NANO3 80 90 70 Pb(NO3)2 CaCl2 50 60 40 KI 30 NaCl 20 KCIO 10 Ce2(SO4)3 O 10 20…

A: Look into the graph , identify the plot of K2Cr2O7 from the plot  Amount of K2Cr2O7 crystallized  =…

Q: 1. A solution of HClO4 was standardized by dissolving 0.4008 g of primary-standard-grade HgO in a…

A: 1). Given : Mass of HgO = 0.4008 g Volume of acid consumed = 43.75 mL Convert mL into L as follows.…

Q: 2. Calculate the [H*], [S²] and [HS] in a solution prepared by dissolving 0.10 mole of HS in…

A:

Q: How many milliliters of a stock solution of 11.2 M HNO3 would you have to use to prepare 0.360 L of…

A: Here given that (from part a), the molarity of HNO3 stock solution = 11.2 M. The sample volume taken…

Q: Calculate the eq per liter of 0.321g Na2CO3Na2CO3 when it is mixed in a 250ml solution. (MM Na2CO3=…

A: The normality of a solution is an important method which is used to indicate the concentration of a…

Q: Determine the moles of Acetic Acid (CH3COOH) required to neutralize 12.3 ml of 0.130 molar Sodium…

A:

Q: STANDARDIZATION OF NAOH SOLUTION A 0.4047 g sample of primary standard grade potassium hydrogen…

A: The titration reaction between KHP and NaOH is an example of acid-base reaction with phenolphthalein…

Q: Station 5 Make a 0.500M sodium hydroxide solution Procedure: 1. Add 15 mL of distilled water to a 50…

A: To prepare 0.500M NaOH solution, add 20g (0.500mol) of NaOH in 1L of aqueous solution.

Q: Attempt Determine the concentrations of K2SO4, K, and SO4 in a solution prepared by dissolving 1.95…

A: Given that the mass of K2SO4 is 1.95×10-4 and is dissolved in  1.25 m L water .

Q: If you have an empty burette in a burette clamp, in what order do you do these steps to fill the…

A: To fill an empty burette,we have to close the stopcock of burette. Then we should remove the burette…

Q: 3. Which of the following compounds are likely to be soluble in water? Circle youranswer(s).ammonium…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Treatment of hydroxylamine (H₂NOH) with an excess of Fe (III) results in the formation of N₂O and an…

A: Please find the below attachment. Hope this helped you.   Thank you.

Q: Carbon dioxide (CO2) is an important greenhouse gas with a Henry volatility constant of 3.3x…

A:

Q: stion 18 100 ml of water dissolves 0 29 g of benzoic acid at 20°C, or 46 g at 90C a What weight of…

A: Solubility of benzoic acid in water: 0.29 g /100 mL    at 20C04.6 g / 100 mL at 90C0

Q: 53.2 mL of 0.795 M hydroiodic acid is added to 46.2 mL of barium hydroxide, and the resulting…

A:

Q: Listen A 30.0 mL solution of nitric acid is neutralized with 15.0 mL of 0.250 M Sr(OH)2. What is the…

A: Given, Volume of HNO3 = 30mL Concentration of Sr(OH)2 =0.250M Volume of Sr(OH)2 = 15mL

Q: If 0.100 mol glucose (C6H12O6) is dissolved in 0.100 L solution, what will be the concentration of…

A:

Q: Consider the Solubility Curve for this Problem: Analysis for KClO3 & NH4Cl MW (KClO3) =  122.55…

A: (I) 32°C  Since graph of KClO3 and NH4Cl intersect at this temprature on temperature axis. (ii) 42g/…

Q: Ca2(aq) + Na2C2O4(aq) -> CaC2O4(s) +  2Na(aq) Suppose that a solution is known to contain…

A: From the given reaction: It is clear that the reaction takes place in equimolar ratio. So that, 1…

Q: Problem 1

A: The molarity of a solution is the ratio of number of moles of a substance to the volume of solution…

Q: 1. Calculate the concentration (mol/L or M) of calcium ions in each water sample using the molar…

A: The balanced chemical equation for the reaction between Ca2+ and EDTA is shown below: Ca2+ +…

Q: How many moles of CaF2 will dissolve in 2.7 L of 0.041 M NaF solution? (Ksp for CaF2 = 4.4 × 10–11)…

A: Given that, CaF2 will dissolve in 2.7 L of 0.041 M NaF solution Ksp for CaF2 = 4.4 × 10–11   We have…

Q: (d) Suppose the cap were left off the container of 0.30 M solution of KIO4 such that some of the…

A: Given that, there is 50 mL of 0.30 M KIO4 solution is present in the container. As it is a solution…

Q: The solubility of Ag,CO3 is measured and found to be 3.57x10 g/L. Use this information to calculate…

A:

Q: The test samples are water, cyclohexane, cyclohexene and toluene. Drops of a dye was added to each…

A: In the test samples water,cyclohexane,Cyclohexene,toluene, drop of a dye is added to each sample.

Q: Hardness of Water A 0.512 g sample of CaCO3 is dissolved in 12 M HCl and the mixture is diluted to…

A: #(a): Given the mass of CaCO3 used = 0.512 g  Molar  mass of CaCO3  = 100.087  g/mol Required…

Q: Question 3. How would you prepare 500.0 mL of a 0.750 M solution using. Part A Sulfuric acid  from…

A: Question 3: Part A: Consider, V1 = 500.0 mL M1 = 0.750 M M2 = 18.0 M V2 = ?

Q: Preparation of HCI solution a. Measure 20.7 ml of concentrated Hcl (37% wt HCI) using the pipet and…

A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first question out…

Q: Safari File Edit View History Bookmarks Window Help )) 51% Sun 10:44 AM…

A:

Q: glassware

A: In this question we have to explain that why the glassware which contacts the KMnO4 solution should…

Q: INazCO3 HC 33% 1.2 cq. CuHa Cl 210g. 0-Seq. 200g

A: In every chemical reaction, reactants react to form the products. The reactant which gets used up…

Q: What willl be the Molar concertration of the 473.49  HCl solution prepared from 4 mL of concentrated…

A: 1- First calculate the moles of HCl :  mass of HCl = [ Density × Volume ]  mass of HCl = [ 1.18g/mL…

Q: Current Attempt in Progress How many milliliters of water have to be added to 144.8 mL of 0.41 M HCI…

A:

Q: Type of acid in unknown: H3A Balanced chemical equation for neutralization of acid with NaOH Saved…

A: Average concentration of NaOH    = 0.000105 M

Q: concider the reaction: 3KOH+H3PO4---> K3PO4+ 3H20 a 41.2ml sample of koh solution of unknown…

A: The answer to the solution is attached in the image below.

Q: Data Table 2. Part B – Concentration of H2SO4 (aq) Trial 1 Trial 2 Trial 3 Volume of H2SO4 used (mL)…

A: NaOH is standardized with respect of KHP. Moles of KHP=Moles of NaOH. Molarity of KHP×Vol of KHP=…

Q: A 100% 7:06 PM Wed Jan 29 Unanswered •1 attempt left • Due on Jan 30 0.100 g sample is dissolved in…

A: Mass of solute = 0.100 gMass of solvent = 10.0 gDepression in freezing point (ΔTf) = 1.22 °Cfreezing…

Q: If 100.0 mL of 0.167 M Na2SO4 is added to 100.0 mL of 0.897 M Pb(NO3)2, How many grams of PbSO4 can…

A: Here the required balanced reaction is  Na2SO4+Pb(NO3)2→PbSO4+2NaNO3 Now we are given that compound…

Q: b) A solution was prepared by dissolving 1.5 g of Acetic acid (CH,COOH) in a 250cm solution. 50cm'…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: 2- 20 ml of 0.1 M sodium hydroxide is required ---- ml of 0.1M sulphuric acid at end point 40 10 O…

A: Moles of NaOH = 2 × moles of H2SO4  Moles = molarity × volume

Q: A B B S 1 You go to the lab to carry out an extraction. Solute A is the desired product How would…

A: The given options are,

Q: Calculate the volume of each solution, volume of water and the total volume. 0.00150 M Fe³+. 0.00150…

A: Here , sample A , B and C are made by mixing two solutions and water and the final volume is 15.00…

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