5µL of the 500mM Tris is then added to a tube labelled A containing 995µL of sterile water. 15µL of this solution A is then added to 85µL of water.  What is the final concentration of the Tris in nM

Q: a- Accordingly, which one of the two students got th more accurate results ? b- Mention the…

A: Percentage of impurities in Na2CO3 = 20 % Percentage Purity of Na2CO3 = 80 %     Mass of Na2CO3…

Q: Q2- How mainy mls of Atropine sulphate present in lab. As a stock sol. Of 1: 20 conc. should be used…

A: 1:20 concentration indicate that 20 mL of stock solution contains 1 g of atropine sulphate.

Q: help please answer in text form with proper workings and explanation for each and every part and…

A: The solubility can be determined by finding the y variable (g salt/ 100 g water) corresponds to a…

Q: Q12. Which of the following is soluble in water? A. Fe(NO3)2 B. MGCO3 C. Hg,l2 D. CaS Q13. What…

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Q: Calculate the formal concentration in molarity of a sodium acetate soluti on prepared by diluting…

A: we know 1ppm=1mg/L=10-3g/LNow we can convert ppm to molaritymolarity=mass of…

Q: A buffer solution is prepared by adding 12.90 g of sodium acetate (NaC,H,O₂) and 16.54 g of acetic…

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Q: The solubility of  AX2 is 0.000047 M What is the Ksp of AX2?

A: Given that, [AX2] = 0.000047 M Ksp= ?

Q: Q13. What volume (mL) of 1.00 M K2Cr,0, is required to completely react with 35.0 mL of 0.500 M FeS…

A:

Q: How many grams of PbF2 (molar mass = 245.2) will dissolve in 700 mL of 0.60 M NaF solution? The Ksp…

A: PbF2 ---> Pb2+   +    2F-    Ksp = [Pb2+] [F-]2  2.69 × 10-8 = x ( 2x + 0.60 )2 (2x + 0.60 ≈ 0.60…

Q: How much KBr could dissolve in 50 g of H2O at 70ºC?

A: Solution is mainly of three types:-  Unsaturated solution  Saturated solution  Supersaturated…

Q: The solubility of CaF, in water at 25 °C is measured to be 0.017 . Use this information to calculate…

A: Solubility of CaF2 = 0.017 g/L Ksp for CaF2 = ?

Q: Calculate the solubility in grams per liter of CaSO4(s) in 0.25 M Na2SO4(aq) at 25°C.

A: Given, concentration of Na2SO4 = 0.25 M.  We have to calculate the solubility of Ca2SO4 in 0.25 M…

Q: In standardizing a solution of NaOH against 1.431g of KHC8H4O4, the analyst uses 35.50 mL of the…

A: A question based on concentration terms that is to be accomplished.

Q: e solubility-product constant for K₂PdCle is 6.0 x 10-6 (K₂PdCl 6 (s): 2K+ (aq) + PdCl ² (aq)). What…

A: Solubility Product for K2PdCl6 = 6.0 × 10-⁶ Volume of 0.20 M KCl = 50.00mL We have to find K+…

Q: Which among LizS, Ba(OH)2 and FeSO4 is/are likely to be more soluble than AgCl in water? Ba(OH)2 and…

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Q: How many grams of BaF2 (molar mass = 175.337) will dissolve in 600 mL of 0.45 M NaF solution? The…

A: Solubility of any salt is defined as the maximum amount of solute that can be dissolve in a solvent…

Q: How many mL of 0.789 M HI are needed to dissolve 9.52 g of MgCO3?

A: Given ; molarity of HI = 0.788 M               Mass of MgCO3 = 9.52 g

Q: 1. Calculate Ksp for lead (II) chloride, if a 50.0 mL saturated solution of lead (II) chloride…

A: Note: As per the guidelines, the solution of the first question has been made. For the expert…

Q: edric and astrid titrated a 15.00 ml aliquot of grapefruit juice with a 0.134 M NaOH solution to the…

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Q: The solubility of Ag,SOz is measured and found to be 4.48×10-3 g/L. Use this information to…

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Q: What mass of NiCO3 will dissolve in 1.1 L of 0.532 M Na2CO3 solution? Ksp of NiCO3 is 6.6×10-9

A:

Q: A shipment of containing NaOH (40 g/mol) and Na2CO3 (106 g/mol) was declared to contain less than 10…

A: #(a): Given the shipment contains a mixture of NaOH (40 g/mol) and Na2CO3 (106 g/mol).

Q: 15.00ml of an ammonia sample (D=0.980 g/mL) is titrated to endpoint with 31.25mL of a 0.500M HCI…

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Q: *SHOW COMPLETE SOLUTION* A solution contains 0.02 mol Cd2+, 0.02 mol Zn2+, and 1 M HCI is saturated…

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Q: How many milliliters of lactic acid must be added to 1L of water to produce a solution of 0.477 mM?…

A: The correct answer is given below

Q: 100.0 mL of a saturated solution of copper (I) chloride (KSP = 1.72x10-7) with some solid present…

A: When water will be added, the concentration of Cu+ will decrease as the volume of the solution…

Q: Use the References to access important values if needed for this question When 15.0 ml of a 7.26 x…

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Q: Q3) calculate the number of grams, the normality, and the p-value for two of the following: a) 0.1 M…

A: A question based on quantitative analysis , which is to be accomplished .

Q: a) Calculate the concentration of a solution containing 0.0056g Cr(III) in 12 g water as ppm.

A:

Q: A 0.5027 g of KHP (KC8H5O4; MW = 204.22 g/mol) required 11.90 mL of NaOH titrant to reach the…

A: Mass of KHP = 0.5027 g  Molar mass of KHP (KC8H5O4 ) = 204.22 g/mol.  Volume of NaOH = 11.90 ml…

Q: Chemistry 1.00 mL of a certain sodium hydroxide solution neutralizes 0.045 g of 10% sulfuric acid.…

A: The solution is as follows:

Q: What iare the reaction equations of the following: (a) 5g of Na2SO3(s) is mixed with 30 ml of…

A: When we dissolve a soluble solid ionic compound like Na2SO3(s), CuCl2.H2O(s) etc., they are…

Q: 2) Mohr's method uses the potassium chromate (K2CrO4) as indicator and this indicator makes the…

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Q: 12.29 A 50 g sample of impure KCIO; (solubility contaminated with 10 percent of KCI (solubility =…

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Q: How many mL of 0.547 M HNO3 are needed to dissolve 5.63 g of MgCO3?

A: Given :- mass of MgCO3 = 5.63 g  Molar concentration of HNO3 solution = 0.547 mol/L  To calculate :-…

Q: How many mls of 1 M NaOH titront are needed to react with 5 mls of 0.1 KHT? (Use the ml*M/…

A: The balanced reaction between  NaOH and KHT is as follows: According to this reaction : 1 mole of…

Q: 50.0mL of 0.100M HCl solution and 50.00mL of 0.100M AgNO3 solution, both initially at 22.54 degrees…

A: Given, 50.0mL of 0.100M HCl solution and 50.00mL of 0.100M AgNO3 solution, both initially at 22.54…

Q: How many grams of sample which contains 18.00% Na2O (61.98) should be taken for analysis in order to…

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Q: The Ksp of CuCO3ls) (copper carbonate, a salt) is reported as 2.21x10-11. Determine the solubility…

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Q: A 50.00 ml of a sample of river water was titrated with 0.0015M of sodium dichromate and required…

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Q: Will a precipitate form when 50.0 mL of 5.0 x 10ª M Mg(NO3)2 is added to 100.0 mL of 3.0 x 10* M…

A: Since Mg(NO3)2 and NaOH are completely soluble in water Ans since 1 mole of NaOH has 1 mole of OH-…

Q: What mass of AgCI is precipitated from the reaction of 25.0 mL of 0.100M AgNO3 and excess KCI

A: The objective of this question is to find out the mass of AgCl that is precipitated from the…

Q: how many grams of barium carbonate BaCO3 are dissolved in: a) 1 liter of clean water b) 1 liter of…

A: The molar solubility of BaCO3 in 1 L clean water can be determined as: Ksp = Ba2+CO32-s = Ksps = 0.4…

Q: How many grams of CaF2 (molar mass 78.077) will dissolve in 250 mL of 0.20 M NaF solution? The Ksp…

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Q: 5 -20 1.3 x 10 1 x 10-20 IS 3.6 x 10-29

A: It is given as, H2S⇌2H+ +S2- The H+ concentration is given as, H+=1+0.1×2H+=1+0.2H+=1.2M