Analysis- finding the empirical formula for Co.(C,O.)•cH;O (i.e. what is a,b,c.) 1. Show the calculations to determine the values of a,b,c. 2. Write the final empirical formula for the compound?

Q: Explain different ways to induce recrystallization.

A: Recrystallization is a process in which the previously formed crystal were dissolved in a suitable…

Q: An aqueous solution of ethyl alcohol is made by transferring 12.3 mL of liquid ethyl alcohol to a…

A: Since we know that  %(V/V) = (volume of solute /volume of solution )×100%

Q: Part IlI: Determination of Saturated Solutions

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Q: A 1.37 M aqueous solution of citric acid (H3C6H5O7) has a density of 1.10g/cm^3. What is the mole…

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

Q: 1) Why is NaCIO left out of some laundry bleach? It is not due to price.

A: Given statement,      NaClO left out of some laundry bleach

Q: The dry mass of a piece of textile is 1.4 grams. After 2 minutes of soaking in water the wet mass of…

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Q: to one of the followin

A: Cefuroxime is an antibiotic and is a type of second generation cephalosporin and used for treatment…

Q: Solubility of Ca(OH)2 in 0.25M KCI Answer the concentrations and solubility in 3 significant figure.…

A: From the standardization of HCl data,  average molarity of HCl = 0.198 M  We can find the [OH-] by…

Q: Commercial bleach is usually 5% solution of hydrochloric acid. true or false

A: Commercial bleach is usually 5% solution of hydrochloric acid. This statement is true or false…

Q: In a chem lab, you have in stock a 10% saline solution and a 50% saline solution. However, you need…

A: We have To determine how much of each saline solution to mix, we can create equations based on the…

Q: Five different solutions were prepared in the laboratory. One was prepared by dissolving 7.1g of…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Prepare 50ml of approximately 1000ppm Mn stock solution from MnCl2*4H2)

A: mole =massmolar massppm = mgL1000 mg = 1.0 g

Q: A solution that has not reached the limit of solute that will dissolve in it is said to be…

A: There are two types of solution on basis of the addition of more amount of solute-  1- saturated…

Q: Question 2 Solution 1: 2 mL of 1.50 M A is combined with 18 mL water. Solution 2: 5 mL of solution 1…

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Q: 16. A child takes 15 mg of elemental iron PO BID. How many milliliters of ferrous sulfate 500…

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Q: Use a Venn diagram to compare mechanical mixtures and solutions.

A: Venn diagram to compare mechanical mixtures and solutions is shown in the step below.

Q: Ratio of peppermint water to make 60ml? What is the stepwise procedure for preparation of…

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Q: Procedure calls for preparing a .1m solution of cleaning solution, with hydrochloric acid in water.…

A: molality (m) :    moles of solute present in 1Kg of solvent is called molality (m)  Units :…

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

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Q: 2- How can you prepare 500ml of 5% NaOH solution ?

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Q: 2. Calculate the concentration of the salt stock solution you made in moles CaCl₂ per L (M). Note:…

A: 2. The concentration (molarity) of the stock solution can be calculated by dividing moles of salt by…

Q: Which of the following would result in an incorrect value for the density of the acrylic slug using…

A: There are various reasons for error in density: mass change, temperature, etc.

Q: A solution of Ibuprofen contains 150 grams in 800 mL. What is the percent strength of this solution?…

A: • Here we have to calculate the percent strength of the given Ibuprofen solution.  • The formula to…

Q: which method we are going to use in ipecac syrup define and explain this method.

A: Ipecac is commonly made from alcohol extraction of the plants Cephaelis acuminata and Cephaelis…

Q: is In the school laboratory, a usually used as fractionating column. The glass called as beads serve…

A: A fractional distillation is used to seperate volatile compounds having their similar boiling point,…

Q: Which of the following compounds requires the most energy to convert one mole of the solid into…

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Q: To what volume should you dilute 124 mL of an 8.05 M CuCla solution so that 49.0 mL of the diluted…

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Q: Two metals X and Y are mutually soluble in all proportions in the liquid state, but are completely…

A: We have find out answer by drawing binary X-Y phase diagram.

Q: mg of metroprolo

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Q: I think you weren't able to finish the solution?

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Q: A solution of HCl was titrated against sodium carbonate. What is the normality of acid for Trial 3…

A: Given :  Mass of Na2CO3 sample = 0.3042 gm  Volume of HCl used = 39.40 ml

Q: 11) How many milligrams of tetrhydrozoline HCI would be used in preparing the following…

A: Percent of tetrahydrozoline HCl = 0.05%Volume of the solution = 15 mLmilligrams of tetrahydrozoline…

Q: Prepare 500mL of 0.010M solution of Na+ from Na₂CO³.

A: Given :-  Molarity of Na+ ion solution = 0.010 M  Volume of solution = 500 mL  To describe :-…

Q: Stock solution (a) A volume (V₂) containing the desired moles of solute (M,) is measured from a…

A: As we know , Moles the solute remains same on dilution but volume of the solution increases.…

Q: 2. What total dilution would you need to produce a 2 mM sample from a 100 mM stock solution?

A: M1 x V1 = M2 x V2

Q: 1) 500 ml of .50 M NaC1 from 2.0 M original stock solution?   2) 2.0 L of .20M MgS04 from .50 M…

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Q: A prescription calls for 120 mL of 10% codeine solution. Your stock solution of codeine is 50%…

A: Given: Volume of final solution = 120 mL Concentration of final solution = 10 % And concentration of…

Q: Determine how to make a sufficient amount of 3% by weight H202 from 30% by weight solution

A: The mass of solute requires for 3% and 30% percent by weight solution are determined as,

Q: Cells allow  ______to diffuse slowly but freely across the cell membrane to generate a membrane…

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Q: Which piece of lab equipment is used to obtain a small, accurate volume from a stock solution for a…

A: The amount of solute dissolved in the solution is known as the concentration of the solution. In the…

Q: What volume of a 2.5mM extraction solution would you need to obtain a final concentration of 200μM…

A: Given: Molarity of original solution, M1 = 2.5 mM = 2.5×10-3 M Molarity of final solution, M2 = 200…