Q: The mass of lead bromide that is dissolved in 225 mL of a saturated solution is grams.
A: Given: Volume of solution = 225 mL = 0.225 L (since 1 L = 1000…
Q: How many grams of NaCl is required to make 200.0 mL of a 0.125 M solution?
A: Volume of solution = 200 mL = 0.200 L Molarity of solution = 0.125 M Mass of NaCl = ?
Q: How much of a 1.50 M sodium sulfate solution in millilitersis required to completely precipitate all…
A:
Q: Calculate grams of HNO3 in 25.5 mL. of 0.200 M HNO3 solution. HNO3 = 63.00 g/mole
A:
Q: The mass of calcium chromate that is dissolved in 125 mL of a saturated solution is ______grams
A:
Q: How many grams of copper ( II ) nitrate hexa hydrate are needed to prepare 1250.0 mL of 0.115 M…
A:
Q: How many mL of 0.300 M NaF would be required to make a 0.0775 M solution of NaF when diluted to…
A: In the given question we have to calculate the volume of stock solution consider, 0.300 M NaF as…
Q: ow many g of barium fluoride are needed to prepare 43.6 mL of a 1.55 M solution of barium fluorid
A: The molarity is the concentration term which is the number of moles of solute per liter volume of…
Q: What is the mass or volume required to make the following solution ? 50 mL of a 0.025 M potassium…
A: Given :- Molarity of KI solution = 0.025 M or 0.025 mol/L Volume of KI solution = 50 mL To…
Q: If 348 mL of 0.14 M HCl solution is required what volume in mL of 1.5 M HCl must be used
A:
Q: What mass of a 0.66 m ammonium nitrate (80.04 g/mol) solution will contain 0.15 mol of solute?
A: Applying concept of molality. Molality= moles of solute / Vkg
Q: How much water (in L) must be added to make 6.00 L of a 4.13 M sodium phosphate solution if you…
A: Given: The concentration of sodium phosphate before dilution (M1) = 7.28 M The concentration of…
Q: A 37.0 mL aliquot of a 0.600 M stock solution must be diluted to 0.100 M. Assuming the volumes are…
A: Dilution factor (DF) refers to ratio of volume of the initial (concentrated ) solution to the volume…
Q: What volume of a 0.1 M Sodium Hydroxide solution could be made with 200g of solute?
A: Given data: Molarity = 0.1M Weight of solute = 200 grams
Q: What volume of 0.200 M sugar solution can be prepared from 50.0 mL of 0.400 M solution?
A: The equation to calculate the unknown values from known values are given by, M1V1=M2V2 where M is…
Q: What volume in ml of 0.300 M NaF would be required to make a 0.0790 M solution of NaF when diluted…
A: We know that the number of moles of solute during the dilution is Constant The number of moles of…
Q: How many grams of solute are needed to make 450. mL of 0.350 M sodium carbonate solution?
A:
Q: would
A: Plz find the file attached for explanation
Q: What volume of 0.362 M KCl solution must be used in order to contain 0.0831 mole of KCl?
A: 1 M KCl solution means 1 mole KCl is present in 1000 mL solution. So, 0.362 M KCl solution means…
Q: What mass of MgBr2 is required to make 250.0 ml of 0.75 M MgBr2 solution
A: Mass of MgBr2
Q: How many grams of HCl are contained in 45.0 ml of an HCl solution with a concentration of 37.21% and…
A:
Q: it is desired to prepare 0.500 L of a 0.192 M of solution of NaCl from 1.00 M stock solution. how…
A: Given, Initial Molarity M1 = 1.00 M V1 = ? V2 = 0.500 L M2= 0.192 M
Q: How many mL of 0.300 M NaCl solution are required to produce 0.210 moles of NaCl?
A: No. Of moles=molarity*volume Hence, 0.210=0.3*V. V= 0.7 L
Q: 200.0 mL of a 0.750 M sodium hydroxide solution. How many moles of sodium hydroxide are in the…
A:
Q: What volume of HCl is 1.19 g/mL and 37.2% pure is needed to prepare 2 L of a 2 M solution.
A: We will calculate volume of HCl
Q: the molarity of 100 ml solution prepare by addition of 10 ml of 10 N of HCI
A: The molarity of required solution is calculated using equation of dilution.
Q: The mass of nickel(II) carbonate that is dissolved in 175 mL of a saturated solution is grams.
A: The question is based on the concept of solubility product Principle. it states that a weak…
Q: A solution is 20% m/v. What is the mass of dissolved solid in 150 ml of the solution?
A: Given: %(m/v) of solution = 20 % And volume of solution = 150 mL
Q: How many moles of potassium chloride are needed to precipitate all the lead(II) ion from 19.0 mL of…
A: Given: Volume of lead(II) nitrate is 19.0 mL Molarity of Lead (II) nitrate is 0.450 M The reaction…
Q: How many liters of 0.775 M solution can be prepared from 55.0 g of ammonium iodide?
A: The solution is given below -
Q: You are asked to make 500. mL of a 0.250 M sodium chloride (NaCl) solution. a. How many moles of…
A: The formula for molarity is, moles = molarity×volume/1000 The given molarity of NaCl is 0.250 M.…
Q: How many grams of sodium hydroxide are needed to make 250 mL of a 0.200 M solution?
A: Molarity = mole/ volume Mole = mass/ molar mass
Q: How many ml of a 1.5 M sugar solution are needed to make 250 ml of a 0.050 M solution
A:
Q: A 15 mL Sample of 0.255 M cobalt(II) Chloride solution is diluted 500 mL. What is the new molarity…
A: Volume of the solution, V1= 15mL Initial Molarity of solution, M1 = 0.255 M Volume of the diluted…
Q: How many ml of 4.00 M stock solution are needed to make 57.7 ml of 0.288 M solution?
A: in this we have to use dilution equation M1V1 = M2V2
Q: 22. What volume (in mL) of a 15.0 M stock solution of aqueous sodium chloride is required to make a…
A:
Q: How many mL of 0.500 M Nal would be required to make a 0.0850 M solution of Nal when diluted to…
A: Dilution M1V1= M2 V2 V1= M2 V2 / M1 M1 ,M2 molarities V1,v2 volume
Q: how many grams of K2SO4 are needed to make 250 ml of a 0.150 m k2so4 solution
A: Solution The mole is associate quantity unit kind of like acquainted units like try, dozen, gross,…
Q: How many mL of 0.300 M NaF would be required to make a 0.0495 M solution of NaF when diluted to…
A: Given: Concentration of NaF (M1) = 0.300 M Concentration of diluted solution (M2) = 0.0495 M. Volume…
Q: A 4.90 M sugar solution is diluted from 120.0 mL to 650.0 mL. What is the concentration of the…
A: The given problem relates to stock dilution, so we can use the below relation to calculate the…
Q: How many grams of KMnO4 are needed to make 289.0 mL of 0.758 M solution?
A: 1- First we need to determine the moles of KMnO4 in solution : Moles = [ Molarity × Volume ] Moles…
Q: How many mL of a 6.00 M solution of nitric acid are required to prepare 400 mL of a 0.300 M…
A: Volume can be determined using the dilution expression,
Q: mass
A: For finding the mass of sodium hydroxide in 12 % by weight, we have to see what 12 % means.
Q: The mass of barium phosphate that is dissolved in 175 mL of a saturated solution is grams.
A:
Q: How would one prepare 150. mL of 0.200 M HCl solution, from a stock solution of 6.0 M HCl?
A:
Q: What volume (in L) of 7.16 M NAOH solution must be diluted to prepare 2.8 L of 0.500 M NaOH…
A: The dilution formula is, (M1)(V1) = (M2)(V2) Hence, (V1) = (M2/ M1) (V2) Where V1 is volume of…
Q: How many mL of 0.300 M NaCl solution are required to produce 0.115 moles of NaCl?
A: We have to find volume of 0.300 M NaCl solution are required to produce 0.115 moles of NaCl
Q: How much of a 12.0 M HNO3 solution should be used to make 850.0 mL of a 0.250 M HNO3 solution?
A:
Q: What volume in mL of 0.300 M NaF would be required to make a 0.0480 M solution of NaF when diluted…
A: Given: Initial concentration of NaF = 0.300 M Final concentration of NaF = 0.0480 M Final volume of…
Q: A 113 – mL sample of a 1.4 M sucrose solution is diluted to 600 mL . -
A: The given information is as follows: The initial volume of the sucrose solution V1= 113 mL The…
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- A 0.098 M K2Cr2O7 titrant was used for titration of 30 mL of aqueous Ethanol (C2H6O) solution and consumed 41.40 mL. (a) Calculate the mass of Ethanol and (b) determine degree proof of ethanol (density of pure ethanol= 0.789 g/mL).Can you help me determine the required amount of 500mg ascorbic acid tablets to puverize the necessary amount of distilled water to make the desired concentration of stock solution (0.1M) Show complete and justifiable computations pls.The conductivity of a 0.05M solution of acetic acid at 18°C is 4.4 × 10-4 Ω-1cm-1. Λ° of acetic acid at the same temperature is 387 Ω-1cm2. Calculate the dissociation constant (Ka) of acetic acid?
- A 0.1 M solution of acid was used to titrate 10 ml of 0.1 M solution of alkali and thefollowing volumes of acid were recorded: 9.88 10.18 10.23 10.39 10.21 Calculate the 95% confidence limits of the mean and use them to decide whetherthere is any evidence of systematic error.A 250.00 mL solution of 0.00215 M AB4 is added to a 230.00 mL solution of 0.00380 M C3D2. What is pQsp for A3D4? Answer: (18.607)1. 1093-g sample of impure Na2CO3 was analyzed by residual precipitimetry. After adding 50.00 mL of 0.06911 M AgNO3, the sample was back-titrated with 0.05781 M KSCN, requiring 27.36 mL to reach the endpoint. The percentage Na2CO3 (MW = 106.0 g/mole) in the tested sample is ________ % ? Note: Express final answer using least number of significant figures. 2. The alkalinity of natural waters is usually controlled by OH- (MW = 17.01 g/mole), CO3-2 (MW = 60.01 g/mole), and HCO3- (MW = 61.01 g/mole), which may be present singularly or in combination. Titrating a 10.0-mL sample to a phenolphthalein endpoint requires 38.12 mL of a 0.5812 M solution of HCl, and an additional 18.67 mL of the same titrant to reach the methyl orange endpoint. The composition of the sample is _________% CO3-2 and ___________ % OH- Note: Express final answers using least number of significant figures.
- The equilibrium constant for the conjugate acid-base pair HIn+H2OH3O++In is 8.00 10-5. From the additional information in the following table, (a) calculate the absorbance at 430 nmand 600 nm for the following indicator concentrations: 3.00 10-4M,2.00 10-4M, 1.00 10-4M, 0.500 10-4 M, and 0.250 10-4M. (b) plot absorbance as a function of indicator concentration.Which has an acitivity coeeficient closest to 1 with ionic strength = 0.001 M? a. Lithium ion b. Magnesium ion c. Lead ion d. Aluminum ionIf an Ecell of 0.495V was noted when your cell was set-up. What is thesolution pH?
- for a 0.0342 M aqueous solution of aniline, C6H5NH2 (Kb = 7.4E-10), determine the following. Kw = 1.0E-14. What are the major and minor species present? Include phase.What is the major species (other than water)? HCNOEdit What is the minor species (other than H3O+ and OH-)? (H+ are lost from or gained on the N.) CNO,e−Edit What is the concentration of the minor species present in the solution? M The number of significant digits is set to 2; the tolerance is +/-4% What is the concentration of the major species present in the solution? M The number of significant digits is set to 3; the tolerance is +/-4% What is the concentration of H3O+? M The number of significant digits is set to 2; the tolerance is +/-4% What is the…A 18 g of unknown organic sample was dissolve in 756 mL of benzene. The boiling point of benzene was increased by 3.36oC. As the first step of analysis, determine the moecular weight of the unknow sample? Kb of benzene= 2.64oC/m Bb of benzene = 80.09 oC density of benzene = 0.874 g/mL at 25 °C Answer in whole number, no units required.A 10.00mL sample of alcoholic ethyl acetate was diluted to 100.00 mL. 20.00 mL was aliquoted and mixed with 40.00 mL of 0.04672 M KOH. The resulting mixture was heated for 2 hours. CH3COOC2H5 + OH- → CH3COO- + C2H5OH After cooling, the excess OH was back titrated with 3.41 mL of 0.05042 M H2SO4. Answer the following: Calculate the number of moles of OH- that reacted with ethyl acetate. Calculate the number of moles of ethyl acetate in the 20.00 mL solution. What is the mass of ethyl acetate (FW=88.11 g/mol) in the original 10.00 mL sample?