LAB £5

The molarity of a solution of 5.0 g of KCl in 100. mL of solution is __________.

PLEASE FILL IN THE TABLES BELOW. THANK YOU!

The mass of iron(II) carbonate that is dissolved in 125 mL of a saturated solution is __________ grams.

It requires 29.26 mL of 0.023 M HCl to neutralize 23.05 mL of a NaOH solution. What is the concentration (M) of the NaOH solution? Please report your answer to 4 decimal places. No units please.

The concentration of a solution of lithium chlorite dissolved in water is 12.5% by mass. In a ________ g sample of this solution, there are 52.5 g of water.

The mass of calcium sulfide that is dissolved in 225 mL of a saturated solution is _____ grams.

5.8 grams of NaCl (molar mass 58 g/mol) is dissolved in 100 mL of water, making salt water.  Identify the solute, solvent, and solution. Solute = ____________________ Solvent = ___________________ Solution = ___________________ What is the molarity of the solution?

What volume, in mL, of a 4.75 M phosphoric acid solution is needed to neutralize 13.88 mL of a 6.25 M potassium hydroxide solution? a. 137 b. 412 c. 1240 d. 6.09

31. How many milliliters, of a 3.5 M stock solution, of hydrochloric acid need to be used to make 230 mL of a 0.25 M diluted solution of HC1? 3.8×10 mL a. b. 3200 mL с. 16 mL d. 3.1×10 mL

314.831624. Report this value to the following number of sig. figs.: a)3 sig. figs.: _____________________ b)6 sig. figs.: _____________________ c)1 sig. fig.: ______________________ d)2 sig. figs.: ______________________

what volume of solution in liter is required to make a 1.3 M solution by dissolving 21.8 grams of NaNO3. O a. 0.20 O b. 19.73 O c. 209.62 O d. 197.29

A solution containing 40.0 mL of ethanol and 25.0 ml of water. solvent solute Answer Bank waler ethanol A solution containing 6.0 g AgNO, and 15 mL of water. solute solvent Answer Bank water AgNO,

The mass of lead hydroxide that is dissolved in 125 mL of a saturated solution is_____ grams.

ame: Table 2. Determination of Acetylsalicylic Acid in Aspirin. 1) Aspirin Brand (and amount of acetylsalicylic acid on label) 2) Average molar concentration of NaOH Solution B (from Part A) 3) 4) 5) 6) Mass of aspirin tablet Mass of pulverized aspirin sample Initial buret reading Final buret reading 7) Volume of NaOH Solution B added 8) Moles of NaOH 9) Moles of acetylsalicylic acid in sample 10) Mass of acetylsalicylic acid in sample 11) Amount of acetylsalicylic acid per tablet T₁ 1.264 12) Mean amount of acetylsalicylic acid per tablet 13) Standard deviation for acetylsalicylic acid per tablet 14) RSD for acetylsalicylic acid per tablet 15) Relative percent error (%) 16) Is the mean amount per tablet acceptable? (Yes or no.) 0.000153 * 180. Kg Imol T₂ √3 1.261 1-259 Seat กา Basic 8.25 mg 0.0975 M Trial 1* Trial 2 *Show all calculations related to Trial 1, standard deviation, RSD, and relative % error. Mole of NaOH (0.0975) (14.3) = 0.000139 (0.0975) (15.7) = 8.000 253 23 0.0975)…

6. Consider the diagrams given in the figure below to answer the following questions. Beaker A Beaker B Beaker C Beaker D go H,o* o HCI c. NAOH 0 mL 10 mL 20 mL 30 mL NaOH Added NAOH Added NaOH Added NaOH Added Why does the volume increase trom Beaker A to Beaker D Identify the spectator ions in the illustration above. (- . ..) For each beaker in the figure, determine the stage in the titration and if the solution would be acidic, basic or neutral when checked with a pH meter.

Consider a solution prepared by adding 2.70 grams acetic acid to 122.8 grams of water :  a. what is the percentage by mass of concentration of acetic acid in this solution? b. what is the mass of acetic acid is present in 15.0 grams of this solution?

You need to make an aqueous solution of 0.140 M manganese(II) sulfate for an experiment in lab, using a 125 mL volumetric flask. How much solid manganese (II) sulfate should you add? ____grams

You have a 2.00 M solution of sucrose and need to use it to make 1.0 L of a 0.500 M solution of sucrose. You will take _____ mL of that 2.00 M solution and add enough water to make 1.00 L of the new solution.

0.00015 mL C0.00020 g D.0.00020 ml 2. The table below shows four solutions that were prepared by dissolving salt in water. Solution Mass of NaCl (g) Volume of water (mL) 5.0 50.0 5.0 75.0 5.0 100.0 5.0 125.0 Which of the solutions has the highest salt concentration? A. Solution A B. Solution B C. Solution C D. Solution D Fernando places 50 ml. of HCl in a 100 ml. beaker and 50 mL of NaOH im places them on a scale together and measures a combined mass of 15.00 ga the liquids together and waits five minutes while they react. A. The H;O is the solute.

1 1. Volume of vinegar sample (ml) 5ML 5 mL 2. Molarity of N.OH standard solution (M) 0.1113 M 0.111 3M 3. Initial buret reading (ml) 0.1 mL 8.5mL 4. Final buret reading (ml) 29.8mL 38 L Section 4: Calculations Part 1: Determining the molarity of the vinegar sample 1 Volume of NaOH used (ml). 2. # of moles of NaOH required for titration (mol) 3. # of moles of CH-COOH in vinegar sample (mol) 4. Molarity (mol/L) of CH:COOH in vinegar sample (MY 5. Mean (the average of multiple values). molarity of CH:COOH in vinegar sample (M) 2m12 lab assignme..pdf m12 lab assigamepdf Math 30 Online odt 9 220 4678 fnal fail

Part A The forensic technician at a crime scene has just prepared a luminol stock solution by adding 19.0 g of luminol into a total volume of 75.0 mL of H20. What is the molarity of the stock solution of luminol? Express your answer with the appropriate units. • View Available Hint(s) Tempjetes Symbols undo regdo fese keyboard shortcuts Help molarity of luminol solution = Value Units

I only need question 41 please. Thank you