The following questions are for a titration of a 20.0mL sample of a 0.500 M monoprotic weak a with pka value 6.4. The titrant will be 0.350 M NaOH. Calculate the pH after the addition of every 2 mL of titrant for the acid system above.

Q: A chemist prepares a solution of iron(III) bromide (FeBr,) by measuring out 132. umol of iron(III)…

A: Given data No of moles of iron(iii)bromide = 132 micromoles Volume of the solution = 350 ml…

Q: 2 equiv. HO. H*

A: Carbonyl compounds are those compounds that contain carbon oxygen double bond. If the carbonyl…

Q: the final answer is needed to be converted into pints?

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Q: 35.0 g MgBr, in 220.0 mL of solution Express your answer with the appropriate units. HÀ M = Value…

A: Answer Part C)  Mass of MgBr2 = 35.0 g  Volume of solution = 220.0 ml  ...Or  because 1L = 1000 ml…

Q: 6.7 mL of a potassium chloride solution was added to a 54.730 g evaporating dish. The combination…

A: a) mass of dish = 54.730 g mass after evoparation = 55.428 g then, mass of KCl = Mass of dish+KCl -…

Q: Item Mass of empty weigh boat Mass of mixture and weigh boat Total Mass of sample of Iron, Salt, and…

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Q: a. Guess which contains more, the can or the bottle. (Assumethat the top part of the bottle is a…

A: The volume of cylinder and cone are expressed as: Vcylinder=πr2h    Vcone=13πr2h

Q: Was your average experimental mass percent of oxygen in potassium chlorate higher or lower than the…

A: One mol KClO3 contain 3 mol of oxygen and 1 mol of K and 1 mol of Cl Molecular mass of KClO3 = 122.5…

Q: O CHEMICAL REACTIONS Using molarity to find solute mass and solution volume Brittney v A chemist…

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Q: 5. If you have 77g of pure ethanol mixed with 330 g of water, what's the % by mass of the ethanol?…

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Q: a) Which of the following is the lowest temperature? a) 42 C b) 318 K c) 57 F d) all these…

A: The solution requires unit and dimensional analysis .

Q: What is the major product of the following reaction? Br NaOCH3 heat

A: In this question we have to tell the major organic product of the reaction.

Q: Chemistry Ash was estimated in the sample of hay, and the records were as follows, note that the…

A: Given that,                    Percent of moisture =18℅ Weight of crucible = 14 g Weight of…

Q: he volume neec

A: Given: M2=8 MV2=500 mLDensity=1.19 g/cm3Percentage w/w=37% To find: Volume required

Q: Method Mass (g) Veylinder Veylinder (mL) Deylinder (g/mL) % error Digital Calipers Water mm mL…

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Q: H Br: ? a. b. C. d. H H. Br O-Br

A: Direction of arrow shows the direction of movement of electrons. Electronic movement occurs from…

Q: Which product would be formed in the reaction below? Brz ? H;O а. Br

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Q: CHEM 18.1 Drill 1 Significant Figures, Rounding Numbers, and Unit Conversion Using Dimensional…

A: Concept based on the significant figures.

Q: 1.A student performed an experiment to find the number of water molecules associated with the CuSO,…

A: Since you have posted questions with multiple subparts, we will only first three subparts for you.…

Q: 8.8995 x 105 s =

A: Welcome to bartleby ! Introduction :  We have to convert the units .

Q: 2. Give the answer with correct sig.figs.: 332.57 +24.668 x 2.38

A: The order of operations is a rule that tells the correct sequence of steps for evaluating a math…

Q: Mass of the crucible and cover Mass 34.7816 134.76516 34.7658. After 1ª heating After 2nd heating…

A: A numerical problem based on heating experiment, which is to be accomplished.

Q: 3. Ferric Chloride Test 4. Bromine test

A: These are some primary test to identify different functional groups. These tests can performed in…

Q: An analysis of 0.7 kg dry soil sample (having a volume of 500 mL) shows that sample contains 35 mg…

A: The molecular weight of naphthalene (C10H8)= (120+8)=128 g. 35 mg= 0.035 g naphthalene is present in…

Q: A chemist prepares a solution of zinc nitrate by measuring out 78. umol of zinc nitrate into a 100.…

A: Given: The number of micromoles of zinc nitrate present = 78 μmol The volume of the solution = 100…

Q: X 1. DME, heat 2. LIAIH4, THF 3. dilute HCI, H₂O O 4. Cl3C H₂SO4 (cat.)

A: First step involves the diene and dienophile. so they take part in Diels Alder reaction. Second and…

Q: Convert and use sig figs 254.3g to kg

A: The number of significant figures in the given problem is four, therefore the final result must…

Q: 12) How much water that required add to 200 ml HNO, ( densly = 1.285 gmpml) Contains 46 wt% acid to…

A: Given: Volume of HNO3 =200 ml.                             Density = 1.285 g/ml To find : Volume of…

Q: 1. КОН / Н2О L 2. H30* 1. l2, NaOH / H20 M 2. HСI

A: Organic Transformation for the given Mentioned reaction  1st Basic Hydrolysis  2nd Iodoform followed…

Q: _Na3PO4 (aq) + _Al(NO3)3(aq) _NANO3 (aq) _AIPO4 (s) а. +

A: The question is based on the concept of balancing the equations. we have to balance the given…

Q: A solution of 20.91% by weight H;SO, has a specific gravity of 1.150. What is the normality of this…

A:

Q: A chemist must dilute 20.6 mL of 22.0 mM aqueous aluminum sulfate (Al, (SO,)) solution until the…

A: In dilution, the millimoles or moles of solute remains same before & after dilution (Dilution…

Q: Determine the mass of chlorine in the original sample as the difference in mass between the…

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Q: d. Br DBU е. -OC(CH)3 Br

A: #(d). DBU is a strong base that is bulky and causes steric hindrance. Hence it favors E2 elimination…

Q: How many moles of solute in 2.00 L of a 3.00 M solution ? The solute could be anything, and the…

A: Volume of solution = 2.00 L  Concentration of solution = 3.00 M or 3.00 mol/L

Q: DE cmo 67 6.2 mol dnis oC,l 67 0:2 moldn SAuti on Na, lo3 was diluted us with to sbtain digbilled…

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Q: taprect number of significant figures. A. Precipitation of CaC,O4H,O from the Calculation Zone Salt…

A: “Since you have asked multiple questions, we will solve the first question [Q4] for you. If you want…

Q: 16. What is true of two a They are b- b. They are b» 17. If each has the same te a large pan b. a…

A: "Since you have posted multiple questions , we will solve first for you . If you want other…

Q: 3. Convert 5.0 Tbytes to Mbytes. 5tutesx 0.000001 mby- ts - 5.00 0no mbytes 1 चि je %3D 1 fera…

A: Since you have posted a question with multiple questions, we will solve first question for you. To…

Q: A student conducts an experiment using an unknown hydrate and obtains the following data Crucible…

A: Given - Crucible =  24.31g Crucible+ hydrate = 29.31g Crucible+ anhydrate =  28.26g Mg % = 29.44% S…

Q: A patient is to receive an IV infusion of 1.6 Lof 0.90% NaCi solution. The flow rate is 30 drops per…

A: Given: Volume of solution = 1.6 L = 1600 mL flow rate = 30 drops/min drop factor = 10 drops/mL

Q: $ Ph H NaOCH, CH₂OH (cold, short time) 1. LDA 2. Br NaOCH, CH₂OH (warmup, long time)

A: “Since you have posted a question with multiple sub-parts, we will provide the solution only to the…

Q: Determine the mass of the water in the sample based on the following data to teo decimal places.…

A: Given Mass of crucible and cover = 50.02 Mass of crucible, cover and sample before heating = 51.04…

Q: Discuss the various ways in which chemistry has influenced the art world, a. including the…

A: Chemistry has had a significant impact on the art world in various ways, ranging from the…

Q: Exta credit 1. Na0Me 2.H₂504 Δ

A: The image depicts a Knoevenagel condensation reaction between benzaldehyde and Meldrum's acid,…

Q: но- CEN HO -CEN HO,

A: Phenols are the compounds that contains a benzene ring containing a directly bonded -OH group. These…

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.