Name of solute weight of test tube and t-butanol weight of empty test tube weight of t-butanol freezing point of t-butanol weight of solute used for run #2 freezing point of solution delta Tf of the solution molality of t-butanol solution experimental molar mass of solute percent error weight of solute added for run #3 total weight of solute for run #3 freezing point of solution delta Tf of the solution molality of t-butanol solution experimental molar mass of solute percent error Ethyl Paraben C9H1003 13.349 g 8.661 g 4.688 g 25.0 deg C 0.173 g 23.0 deg C 2.0 deg C 0.2 m 153.15 g/mol 8.0% 0.101 g 0.274 g 21.8 deg C 3.2 deg C 0.39 m ||

Q: Very large numbers should be entered in exponential notation. Any numbers obtained from the periodic…

A: Magnesium phosphate Sodium chlorate Silver Cyanide Cadmium sulfide Strontium Chlorite

Q: What percentage of sodium is in pure table salt?  Include two decimal places in your answer.

A: The chemical formula of table salt is NaCl. Molar mass of NaCl = 58. 44 g/mol Molar mass of Na atom…

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A:

Q: Identify different ways to dilute. Learn how to solve a dilution problem

A: Ways to dilute

Q: A student weighs out 5.81 g of NaBr, transfers it to a 250. mL volumetric flask, adds enough water…

A: Given that: Mass of NaBr = 5.81g Molar mass of NaBr = 103g/mol Total volume in the flask = 250mL=…

Q: Calculate the volume in milliliters of a 2.4M potassium iodide solution that contains 50.0 g of…

A: Molarity = 2.4 MMass of solute (KI) = 50.0 gVolume of solution in (mL) = ?

Q: Calculate the volume in of a 0.606M copper(II) sulfate solution that contains 500. mmol of copper 2…

A: The objective of this question is to calculate the volume of a 0.606M copper(II) sulfate solution…

Q: You need to prepare 363 mL of a 8.00 × 10-2 M CaNO3 solution from a 12.00 M stock solution. How much…

A: The given problem can be solved by using the formula given below as; M1 V1 = M2 V2…

Q: Convert the concentration below to mM and uM: 154.5mg of sucrose (Formula Weight: 342.30g/mole) per…

A: In this question, we will convert concentration unit M ( Molarity ) to mM and uM  Given that,  Mass…

Q: Calculate the molarity of the following solution: 0.50 moles of CaCl, in 3500 mL of solution. (SHOW…

A: Molarity(M) is the moles of solute per unit volume of the solution in liters. It's unit is mol/L

Q: What is the number of moles in a sample that originally occupied 300 mL with 1.50 moles and then…

A:

Q: Calculate the molarity of each solution. 36.2 g of KCl in 0.895 L of solution         Express your…

A:

Q: Richards and Willard determined the molar mass of lithium and collected the following data.…

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Q: Thanks in advanced, these are just 4 step problems but this one has me stumped for some reason. Use…

A: First, the balanced equation for reaction between zinc metal and hydrochloric acid is determined as…

Q: A hospital saline solution is analyzed to confirm its concentration. A 50.0 mL sample with a mass of…

A: Given that: Volume of solution = 50 mL Mass of solution = 50.100 g Mass of sodium chloride = 0.656 g…

Q: What is the molarity when 1.7 grams of potassium fluoride is dissolved to make 1.4 mL? Answer to 2…

A:

Q: When doing a dilution, the concentration should go (up / down / stay the same). The total number of…

A: Molarity = no.of moles of Solute/volume of solution in L

Q: If there is no specific indication we consider a percent solution to be a what percentage

A: Percentage solution It is defined as the number of parts of solute in 100 parts of solution. The…

Q: 2) Na,CO3(aq) + CaCl2(aq) → 2 NaCl(aq) + CaCO3(s) Calculate the volume (in mL) of 0.200 M CaCl,…

A: Given balanced chemical equationNa2CO3 (aq) + CaCl2 (aq) →2NaCl (aq) + CaCO3 (s)mass produced of…

Q: 93.6g to ng and 93.6g to tons with the set up

A: Given : To convert 1) 93.6 g to ng i.e nanograms and 2) 93.6 g to tons.

Q: 11.35 mg KI in 110.1 mL of solution Express your answer using four significant figures. molarity =…

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Q: A student in lab needs to make a solution that is 9.00% by mass NaCl. If 125 g of NaCl is available,…

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Q: 4. Subtract 3.58 x 10-2 kg from 1.41 x 101 ng and report your answer in g.

A: We know that kilogram, nanogram and gram are the units of mass.

Q: If 123 ml of a 1.1 M glucose solution is diluted to 500.0 ml, what is the molarity of the diluted…

A: When water is added to a solution, it gets diluted. This results into a decrease in the…

Q: emonstrated in General Chemistry Laboratory (I), Chem. 105. The following table ontains the results…

A: Given is the data of the experiment performed by various groups and we have to find the correct…

Q: Calculate the volume in liters of a 3.20 M KCl solution to obtain 0.25 mol of KCl. Express your…

A: given, the molarity of the solution = 3.20 M moles of KCl = 0.25 mole

Q: Need help solving this.

A: (NH4)2CO3           +           MgSO4          -->…

Q: What is the molarity of 1.3 L of solution containing 26 g of NaCl?Express your answer to two…

A: Molarity = number of moles of solute / volume of solution in liter number of moles of solute = 26gm…

Q: How many grams of NaCl is needed to make 236.5 mL of a a 3.04 M solution? Answer to 1 decimal place.

A:

Q: Calculate the volume in liters of a 0.091M sodium nitrate solution that contains 11.0 mol of sodium…

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Q: percent concentration of the resulting alloy? (Round your answer to one decimal place)

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Q: How many grams of MgF2 are needed to prepare 673.9 mL of 0.135 molar aqueous MgF2? Put answer in box…

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Q: Consider a 0.95 M solution of NaCl (molar mass = 58.44 g/mol). How many moles of NaCl are in 163.5…

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Q: Find the number of moles of water that can be formed if you have 114 mol of hydrogen gas and 62 mol…

A: 1. Solution -

Q: Calculate the mass percent of a sucrose solution that is made by mixing 2.48 grams of sucrose into…

A: Mass of sucrose = 2.48 gMass of solution = 23 gIt is required to calculate the mass percent of…

Q: Convert 8.00 liters of H, to moles.

A: moles is defined as the ratio of mass and molar mass.

Q: Making sure I understand a concept. You want to make 100 mL of a 0.1 M sodium chloride solution.…

A: Given that, 100 mL of a 0.1 M sodium chloride solution   M1=0.1 MV1=100 mLM2=1 MV2=?

Q: You need to make an aqueous solution of 0.186 M potassium sulfate for an experiment in lab, using a…

A: Molarity of a substance is the number of Mole present in one litre of solution.

Q: 9:06am ructions t to click Submit when completed! Question 17 Determine the molarity of a solution…

A: Given: Mass of magnesium iodide (Mgl2) = 861 g Note: (1000 mL = 1L) Volume of a solution = 474 mL =…

Q: A student in lab needs to make a solution that is 4.00% by mass NaCl. If 165 g of NaCl is available,…

A: 4.0% by mass NaCl means 4 g NaCl in a total of 100 g solution. (note it is g of total solution) So,…