Preparing solution. Weigh out Sg of table salt. Dissolve it in 50mL of distilled water in a container using a stirrer and label appropriately. Calculate the concentration in terms of percent mass per volume. If you pour the 10mL hydrochloric acid into50mL distilled water Calculate it concentration in terms of percent volume acid per total volume.

Q: Explain different ways to induce recrystallization.

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

Q: Once you choose the appropriate solvent, how much solvent should you add to your sample to dissolve?…

A: A solution can be defined as the mixture that consists of two components; solute and solvent. Here…

Q: In each scenario, describe a step by step process in determining the unknown. Distilled water maybe…

A: Density =mass/volume. We have to determine mass and volume separately.

Q: Complete the table by entering the molarity of B2- for each standard solution. Show an illustrative…

A: Given:

Q: This method of purification is applied when the purity has a lower vapor pressure than the purified…

A: the process in which a substance directly goes from solid state to gaseous state without going…

Q: Use the information and table to answer the following question. A student wants to determine how…

A: From the above table. The following conclusions are given

Q: Compute for the volume/weight to make calcium hydroxide 80 ml solution Calcium hydroxide-? Purified…

A: The dissolution of a solid substance in an appropriate solvent furnishes a solution. The amount of…

Q: Using Dimensional Analysis show all work to calculate the mass of a solution prepared from 100 mL DI…

A: Mass of solution = mass of water + mass of NaCl

Q: A 5.04 g sample of a solid containing Ni is dissolved in 20.0 mL water. A 5.00 mL aliquot of this…

A: concentration of Ni in 20mL = 5.53ppm x dilution factor…

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

A:

Q: Which property is the basis of the purification technique recrystallization? Select one: Color…

A: To solve this problem we have to know about purification technique recrystallization .

Q: Find the molar concentration of 23.5% w/w LiBr solution (Density = 2.05 g/mL)

A: Given :  w/w% = 23.5 %  Density = 2.05 g/ml

Q: If you choose a serial dilution—what would you do?  Assume that you begin with a 1.0 M solution.…

A: 50% serial dilution translates to,1/50 dilution factordilution factor = initial volumefinal volume =…

Q: Station 5 Make a 0.500M sodium hydroxide solution Procedure: 1. Add 15 mL of distilled water to a 50…

A: To prepare 0.500M NaOH solution, add 20g (0.500mol) of NaOH in 1L of aqueous solution.

Q: . Design a procedure for making a 1.00x104 M solution of HCl if all you are given is a stock…

A:

Q: If you have an empty burette in a burette clamp, in what order do you do these steps to fill the…

A: To fill an empty burette,we have to close the stopcock of burette. Then we should remove the burette…

Q: PPb contains 1 part of solution per 10° parts of solvent. True False

A: Answer  PPb contains 1 part of solution per 109 parts of solvent  We know…

Q: IA student mixed 10.0 ml of 0.02 M H2SO3, 90.0 mh distilled water, aud 10.0 mL of 0.025 M Kl03. What…

A: Given that : Molarity of H2SO3 = 0.02 M Volume of H2SO3 = 10 mL Molarity of KIO3 = 0.025 M Volume of…

Q: I diluted a solution of 10mL to a final volume of 1L. The final concentration was 0.05M. What was…

A: Given that : Initial volume of solution = 10 mL Final volume of solution = 1 L = 1000 mL Final…

Q: What is fractional distillation and distillation with the use of a fractionating column; how it is…

A: By selective boiling and condensation, it is possible to separate components in a liquid mixture.…

Q: Weigh out 5g of table salt. Dissolve it in 50mL of distilled water in a container using a stirrer…

A: Given information is as follows: The mass of table salt = 5 g The volume of distilled water = 50 mL…

Q: C. Preparation and storage of standard solutions 1. Use the weighed and transferred NaCl powder in…

A: Let's do the schematic diagram according to the procedure given in the question.

Q: How do you prepare a 750 mL of 0.25M sulfuric acid solution? Example: Add 27.8 mL of concentrated…

A: To prepare 1000 mL 1 M H2SO4 we need 1 mole H2SO4  So, to prepare 750 mL 1 M H2SO4 solution we need…

Q: Methanol can be used to decrease the solubility of the non-polar component in a given sample.…

A: Yes you are correct The apparatus used in extraction of liquids is separating funnel

Q: A 12.0-mL portion of 3.00 M stock solution is to be diluted to 0.200 M. What will be the final…

A:

Q: Refill the burette with the standardized 0.5 M NaOH solution provided. Record the initial volume of…

A: Moles of NaOH required = Moles of vinegar (acetic acid) neutralized

Q: You need to make a 1:5 dilution of a solution. You need 25 ml of the diluted solution. How much…

A: Given:dilution ratio= 1:5volume of diluted  solution = 25ml

Q: • Stock solution: 1000 mg/L Target sample concentrations: 50-400 mg/L • Create a 5-point standard…

A: Given that, The concentration of the stock solution is C1 = 1000 mg/L. The volume of the final…

Q: Compare the three main purification methods (recrystallization, distillation, and extraction) by…

A: The three main purification methods are recrystallization, distillation, and extraction.. With the…

Q: PRACTICAL: STANDARD SOLUTION & DILUTIONS Dilutions of Solution S Prepare dilute solutions of…

A: Molarity Stock solution MS  = 0.4 M (solved previously)  Solution 1; Volume of solution 1 V1 = 15 mL…

Q: What will happen if the recrystallization mixture is cooled very quickly so that crystals form very…

A: What will happen if the recrystallization mixture is cooled very quickly so that crystals form very…

Q: a mixture containing only water and salt must be boiled to seperate the salt from water true or…

A: Yes the above statement is TRUE. But the above boiling must be done in a distillation flask.

Q: Describe the steps involved in recrystallization.

A: The process which is used to purify the impure compound from a solvent is known as recrystallisation…

Q: 100ml of sodium hydroxide  solution is required 20ml of 0.5 N sulfuric acid  solution to neutralize…

A:

Q: You measure your drug concentration in solution at ten minutes and an hour. You get 2 mg/ml at ten…

A: At 10 mins,Concentration = 2 mg/mlAt 60 mins Concentration = 12 mg/ml

Q: Calculate the temporary and total hardness of a water sample containing Mg(HCO3)2= 73mg/L,…

A: Given :           Mg(HCO3)2 = 73 mg/L           Ca(HCO3)2 = 162 mg/L           MgCl2 = 95 mg/L…

Q: A top-loading weighs to + 0.5 g. How many mg is that?  Please showe step by step solution

A: Since we know that,  1 g = 1000 mg  Given, weight = 0.5 g

Q: Aromatic Elixir Formula Compound orange spirit Syrup Talc 90% Ethanol Purified water To make 50ml ||

A: Complete process of aromatic elixir is given below.

Q: What lab equipment is used to manually stir solutions? thermomoter

A: In chemical laboratory various equipments are used these equipments are called apparatus  In any…

Q: Rudolf has an 15mL extract from a plant sample. He took a 50.0 μL aliquot and diluted the solution…

A: From 15 mL extract of a plant sample, 50.0 μL aliquot is taken and diluted to 1 mL. Another…

Q: From the graph of temperature vs. volume data from a fractional distillation of 100 mL…

A: Fractional distillation It is the separation technique used for miscible liquids. It involves the…

Q: From the graph of temperature vs. volume data from a fractional distillation of 100 mL…

A: Methanol and water fractional distillation is an analytical process used to separate compounds such…

Q: 1.In using a burette, why is it important (a) to rinse it with a little of the solution it is going…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: What is the theory behind recrystallization purifying a solid?

A:

Q: Determine the volume of dilute HNO3 (d= 1.11 g/mL and 19% pure) that can be prepared by diluting 50…

A: Interpretation -  To determine the volume of dilute HNO3 (d= 1.11 g/mL and 19% pure) that can be…

Q: 320 g of a sample of Mg with a coating of Mgo on its surface needed 20 ml 0.1 M HCL for complete…

A: