1. Calculate the molar mass of potassium chloride, KCI. A) 74.55 g/mole B) 54.55 g/mole C) 6.745 g/mole D) 67.45 g/mole E) 19.00 g/mole

Q: If the concentration of mercury in the water of a polluted lake is 0.300 µg (micrograms) per liter…

A: Given, Concentration of mercury in polluted lake =0.300 μgl

Q: The common logarithm of 2.68 is 0.428. Without using a calculator, determine the common logarithm of…

A: The common log of 2.68 = 0.428 It implies that: The value of log10 10 is 1. The identity of log is:

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Q: 1. them. 3.2 CHEMISTRY HOLIDAY WORK 2022 Nalubula is investigating changes in mass of substances…

A: Mass of Zinc metal = 100 g  Mass of sulfuric acid = 200 g

Q: Solve for u. 14-2=121/12 3 Simplify your answer as much as possible. U= 010

A: ->For solving equation first of all unknown terms come to one side .

Q: See Figure 7-3. What are the absolute configuration assignments of each chiral carbon? 1 is R and 2…

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Q: ZHN- Na NOe NEN He NO2S OZN Hz POr 02N

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Q: Explain your rationale for using the summative assessment (below) from the lesson plan on mixing…

A: The objective of the question is to explain the rationale for using a specific summative assessment…

Q: professor Scimemi has accepted you as a Master’s student and you are involved in a project that…

A: You need to make 2.5 mM KCl. The formula for weighing is as follows: Amount of KCl (g) = [Molarity…

Q: Which of the following are identical?*

A: Homomers are those compounds which are superimposable to each other.  Compound II and III are…

Q: 2. A student was given five known solutions and asked to study their interactions. The solutions…

A: Given:  Five solution solutions are given.

Q: A student runs two experiments with a constant-volume "bomb" calorimeter containing 1100. g of water…

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Q: Predict the reactants of this chemical reaction. That is, fill both sides of the equation to balance…

A: In balancing the reaction number of atoms will be equal both sides (reactant side and product side )

Q: 4 Fe + 3 0, 2 Fe,0, Vhat volume (liters) of O, is required to react with 1.7 moles of Fe? 1 mole O.…

A: The mole concept is used to solve such problems. The mole concept was proposed by Avogadro. It…

Q: Compute for pKb. (Supply answer up to the 2nd decimal point.)

A:

Q: A chemist adds 75.0 mL of a 0.0557 mM potassium permanganate (KMNO, solution to a reaction flask.…

A: The solution can be done using molarity relation as: The given data has, Volume = 75 ml…

Q: why is the answer 1.13 M?

A:

Q: 1-25. The Reaumur temperature scale, while now obscure, was once in common use in some parts of the…

A: Given the temperature in Reaumur scale is - 20 or  We have to convert - 20 or into degree…

Q: How many different ways can 4 identical items be put into 6 possible spaces? How about 4 identical…

A: The number of ways to put "n" identical items into "k" possible spaces can be calculated using the…

Q: Cl2(g) + H₂O2(aq) → Cl(aq) + O2(g) (acidic) Match the words in the left column to the appropriate…

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Q: Most laboratory accidents could be prevented by adequate anticipation and proper laboratory…

A: First sentence : Most Laboratory accidents could be prevented by adequate anticipation and proper…

Q: Ammonium dichromate is sometimes known as Vesuvian Fire, because of its use in demonstrations of…

A:

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: 1. The crucible is not fired, as the procedure suggests. The mass of the dirty crucible is recorded.…

A: For proper experimental results, we have to carry out all the experiments as given in the procedure.…

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Q: You will be defining a new temperature scale in oX, in which the freezing and boiling points of…

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Q: The instructor reveals that the weak acid is hypochlorous acid, HOCl. The known Ka HOCl is 4.0x10-8…

A: You must compare the experimentally measured Ka () with the known Ka value () for hypochlorous acid…

Q: I don't know how you got the answer, can you plz do the math step by step.

A: Recall the given reaction,                    CH3CO  →  CH3  +  COActivation energy for the…

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A: Opposite charges attract each other. So positive attract negative and positive attract negative one.…

Q: k) 3,498 dm3 into mm3

A: The conversion of quantity from one unit to another unit is known as unit conversion. During the…

Q: Can you give a solution for Question 5.4 please.

A: Given compound is Ertugliflozin.The mechanism of hydrolysis reaction of Ertugliflozin is

Q: Fill in the missing information. OH CH₂ H+ НО Br ОН m-CPBA ОН Br H2 Pd/C 1. NaBH4 2. H,0+

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Q: о Predict the ¹H NMR integration ratio for the following structure. A) 1. ЗН II. 1 H III. 2 н IV. 3…

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Q: 10p in recent years, technology has developed considerably in analytical devices as in many areas…

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Q: B) Assess the critical aspects of chemistry involved in sedimentatic

A: Process and aspects of sedimentation . This term used in geology or geochemistry.

Q: a. b. C. Br осно Ph OH

A: Given are organic reactions.Lets see reagents for each.

Q: In the Analytical Chemistry laboratory, one of the B.Sc student Ms. Fatma wanted to analyze the…

A: Spectrophotometer

Q: Next the student conducts two different runs: In RUN 1, 10.0 mL of 5.00 M NaOH is combined with 10.0…

A: We find the order of the reaction by the graphical method in which we have to plot 3 different…

Q: What is the unit of the answer

A: The volume of KH2PO4 is 285.64 ml

Q: Can you give 3 typical job functions of an analytical chemist?

A: An analytical chemist is a professional who specializes in the identification, separation, and…

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A: In a chemical reaction; the substance which involves in conversion is said to be reactant whereas…

Q: Please show how you solved each. I need to see and understand the calculations. I am so frustrated.

A: Trail 1 : Since mass of Epsom salt used = Mass of beaker with epsom salt - Mass of beaker => Mass…

Q: Use the figure below (Figure F01-7-8) to answer this question. Temperature Anomaly (°C) O O 1.06 O…

A:

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.