Q: Give clear handwritten solution!...
A:
Q: How to separate and detect the presence of group III anions in a sample solution
A: The group III anions include sulphate ion (SO42-) and phosphate ion (PO43-). The reagents used for…
Q: A 30.0 mL volume of 0.12 M NAOH is required to neutralize 20.0 ml of a vinegar solution. Calculate…
A: Since you have posted multiple questions, the answer for first question is given below. kindly…
Q: Acid-Base Titration:
A: Here for acid-base titration, we use the equation: V1S1=V2S2......(1) V1 = volume of acid S1 =…
Q: Consider an unknown solution. Experimental work determined that the aqueous solution contained some…
A: Concept: Red cabbage contains water soluble pigment called anthocyanin that turns bluish-green in…
Q: What will happen if you put a 5ml of vinegar to a 500ml coke? Make sure the bootle cap is…
A: Vinegar actually contains 5 - 8% of acetic acid by volume whose chemical formula is CH3COOH. In…
Q: Standardized NaOH solutions are typically re-standardized if left unused for more than a week or…
A: Sodium hydroxide is a hygroscopic compound. It absorbs moisture from atmosphere when exposed.
Q: 1. Calculate the volume of 3.0 M H2SO4 required to neutralize the total 3 ml of 4 % borax (by mass)…
A: 1.
Q: 24.3 ± 0.1 mL of 0.747 ± 0.01 M HCl was required to neutralize 25 ± 0.2 mL of a solution of NaOH.…
A: The ratio of moles to the volume of solution in liters is known as molarity.
Q: A student that makes an observation that a colorless solution turns blue. This kind of observations…
A: Introduction to qualitative observation :- Qualitative observation deals with data that can be…
Q: Write a procedure explaining how to prepare a solution with a 3.45 % by weight of solid compound…
A: 3.45% by weight means 3.45 g of solute in 100 g solution. so in 100 g mass of solute is 3.45 g and…
Q: a) What should you do yourself if the chemical is splashed on you? b) Why should protective glasses…
A: 1. If chemical is splashed on the body, the clothes with chemicals should be removed and stand under…
Q: Summarize a procedure that will allow you to accurately prepare a series of solutions that are of…
A: Given concentration of solution=0.200M To prepare: a series of solutions that are of molar…
Q: Write the mass balance and charge balance equation of 0.20 HNO2. Note that HNO2 is a weak acid
A: Solution Given that Equation of = 0.20 HNO2 Weak acid is = HNO2…
Q: 1. Write a detailed step-by-step procedure for preparing 100 mL of a 0.200 M NaOH solution using the…
A: Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: Table 4.2 Determination of acetic acid content in vinegar sample. ml of Volume of NaOH, mL % (w/v)…
A:
Q: Part II, Determination of the Molar Mass of an Acid Unknown # Run Number 1 3 4 Mass of test tube +…
A: The value of volume of NaOH are given as:
Q: What challenges would you encounter with the titration if you had used apple cider vinegar or…
A: Answer is explained below. When as an analyte in the titration, apple cider vinegar or balsamic…
Q: 10. Calculate the hydrogen ion concentration in moles per liter for each of these solution: (a) a…
A: Hydrogen ion concentration is an important parameter of an aqueous solution. The concentration of…
Q: You can use scientific notation using "e". Example: 0.0010 = 1.0e-3 Primary Standard Used: Na2C03…
A: Balanced equation for the reaction of HCl(aq) with Na2CO3(aq) is: 2HCl(aq) + Na2CO3(aq) ----->…
Q: Draw/illustrate the chemical reaction involved in Seliwanoff’s test and explain the purpose of this…
A: Seliwanoff’s test is mainly uesd to distinguish between aldose and ketose. The detailed mechanism is…
Q: 6- Extraction using caustic soda or other appropriate proprietary solvents is commonly used to…
A:
Q: You found two bottles in the laboratory labeled X and Y. The instructor said that these bottles…
A: Flame test is the test of qualitative analysis of inorganic salts to identify Cations present in…
Q: Benzene (i), toluene (ii), acetonitrile(iii), and methane(iv) are among the chemical wastes…
A: There are various symptoms of exposure for benzene, toluene acetonitrile and methane chemical waste:…
Q: If any chemical gets into the eyes or mouth, go to the nearest sink and wash off with much water as…
A: The statement given is,
Q: Benzene (i), toluene (ii), acetonitrile(iii), and methane(iv) are among the chemical wastes…
A: Benzene, toluene, acetonitrile and methane are the chemical wastes which can affect the human body…
Q: 2. Write an equation to show how you could recover the parent compounds from their respective salts…
A: Concept: If the salt is basic in nature i.e. conjugate base of an weak acid then we can use an…
Q: briefly explain why it is necessary to be careful when disposing of the filter paper salt bridges
A: In a galvanic cell, a device which is connected between the oxidation and reduction half cell is…
Q: How to deal with a product contaminated by NaCl?
A: 1st case: When the product is insoluble in water. When the residue or our product is insoluble in…
Q: Write a detailed procedure on how to recrystallize benzoic acid contaminated with both a little salt…
A: Recrystallisation is done to purify a certain non-volatile organic compound. This is done by…
Q: Question 6
A: A chemical reaction is symbolic representation of the conversion of substances to new substances.In…
Q: 1. Using some of the following reagents, describe the preparation of 500 mL, pH 7 citric acid 1.8 M…
A: Given information:
Q: 1. You find a separatory funnel set up in a fume hood. There are clearly two visible layers.…
A: The liquid or solvent (be it aqueous or organic) with higher density forms the bottom layer and the…
Q: Use the following information to answer the next question. A student performed a number of…
A: Cesium permanganate, CsMnO4 is a sparingly soluble salt that forms Cs+(aq) and MnO4-(aq) ions in…
Q: glassware
A: In this question we have to explain that why the glassware which contacts the KMnO4 solution should…
Q: Define the process of salting. What is the use of salting?
A: Salting is a preservative method in which the common salt (Nacl), sodium chloride is used as the…
Q: For the solution description, select a correct characterization from the response list: [OH-]=3.0 x…
A: Given:[OH-]=3.0 x 10^-6 M
Q: 5. What is the purpose of the CuSO4 solution?
A: The pentahydrate of this compound, CuSO4. 5H2O is used as a fungicide due to its ability to kill…
Q: What do you get when you use HI on this chemical?
A: In this question, we will draw the structure of the final products after reaction between Ether (…
Q: 4. What volume of 0.100 M sulfuric acid is required to neutralize 800.0 mL of 0.200 M KOH? Show your…
A: Since you have posted multiple questions, we are entitled to answer the first only. Please repost…
Q: Pre-Laboratory Assignment 1. It is important for you to be aware of the hazards associated with the…
A:
Q: I completed my pre-lab and want it reviewed for corrections
A: The balanced chemical equation for the neutralization reaction that occurs between nitric acid…
Q: Give two important uses of washing soda and baking soda.
A:
Q: If 50.0 g Na2SO4 is dissolved in 750 mL of water what would be the sulfate ion concentration ?
A: Given : Mass of Na2SO4 = 50.0 g Volume of water = 750 mL To calculate : Molar concentration of…
Q: NEED OF HELP ASAP please!! how does straw work to bring water to your mouth? I need 3 reasons and…
A: The applied force (F) in a perpendicular direction on the surface of the unit area (A) is stated as…
Q: What are the steps to take to find the solution for the following problem: 1037.78 ÷ 3.2 × 0.1?
A: We will apply the BODMAS for this equation. The order of solving such problem is B = bracket O =…
Q: Calculate the grams of potassium sulfate required to make 250.0 mL of a 0.0300 M solution. I need…
A: Given Volume = 250 mL = 250 × 10-3 Liter ( 1 mL = 10-3 Liter )…
Q: What is the basic principle involved in water distillation plant?
A: A water distillation plant aims for the absolute purification of water. It contains an inlet through…
Q: Question 1
A: We are authorized to answer one question at a time, since you have not mentioned which question you…
Please help me look for OINTMENTS that have precipitated sulfur as an active ingredient. I need the names of the products available today.
Step by step
Solved in 2 steps
- Hi, can somebody help me please to answer this question. Write a detailed procedure on how to recrystallize benzoic acid contaminated with both a little salt and a sand from water. Thank you!What is Grease-Spot Test, Solubility Test, and Emulsification?What do you get when you use HI on this chemical?
- What should be the volume of concentrated ammonium hydroxide that should be measured to prepare 100 mL of solution with a concentration of 0.2 mol/L? (Data: T = 29%; d = 0.88 g/cm³; MM = 35.04 g/mol).Q no 16 Kindly solve this question correctly in 30 minutes and get the thumbs up please show me neat and clean work for Kindly provide correct solutionplease help me solve the rest of table Concentration of AR Stock Solution (ppmppm) 21.22 Unrounded Rounded Concentration of AR Stock Solution (μMμM) 42.7461 42.7