ListenHow many milliliters of solution are needed to make 0.30 M solution containing 0.46grams of Ca(OH),? Answer to 2 decimal place.Your Answer:Answerunits

Given :- mass of Ca(OH)2 = 0.46 g molarity of solution = 0.30 M To calculate :- volume of…

Answered: How many milliliters of solution are…

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter11: Solutions

Section: Chapter Questions

Problem 10P

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Addition of water to concentrated sulfuric acid is dangerous because it generates enough heat to boil the water, causing it to spatter out of the container. For this reason, chemists remember to add acid to water. In a dilution experiment, we calculate the amount of the more concentrated solution that must be measured out. If we place this concentrated solution (Figure 4.7) in the volumetric flask first, then dilute with water, we violate the caution Add acid to water. Describe a safer variation on the method shown in Figure 4.7 that allows the quantitative dilution of concentrated sulfuric acid. Figure 4.7 Preparing a dilute solution from a concentrated solution. (a) Draw the concentrated solution into a pipet to a level just above the calibration mark. (b) Allow the liquid to settle down to the calibration line. Touch the tip of the pipet to the side of the container to remove any extra liquid. (c) Transfer this solution to a volumetric flask. Again touch the pipet to the wall of the flask to ensure complete transfer, but do not blow out the pipet because it is calibrated for a small amount of liquid to remain in the tip. (d) Dilute to the mark with solvent. Frequently, especially with concentrated acids, it is best to have some solvent present in the volumetric flask before you add the concentrated sample.
Calcium carbonate, CaCO3, can be obtained in a very pure state. Standard solutions of calcium ion are usually prepared by dissolving calcium carbonate in acid. What mass of CaCO3 should be taken to prepare 500. mL of 0.0200 M calcium ion solution?
Potassium hydrogen phthalate is a solid, monoprotic acid frequently used in the laboratory as a primary standard. It has the formula KHC8H4O4. This is often written in the short-hand notation as KHP. If 25.0mL of a potassium hydroxide solution are needed to neutralize 2.26g of KHP, what is the molarity of the potassium hydroxide solution? Potassium hydrogen phthalate sometimes called potassium biphthalate, as shown on this bottle is an acid that is convenient to store and use because it is a solid.
Use the Rêfërences to access important values if needed for this question. You need to make an aqueous solution of 0.177 M sodium iodide for an experiment in lab, using a 250 mL volumetric flask. How much solid sodium iodide should you add? grams Submit Answer Try Another Version 2 item attempts remaining ot pt pt pt 1 pt 1 pt Previous Next nt Email Instructor
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I have 270 mL of a 2.6 M NaCI solution. If I boil the water until the volume of the solution is 58 mL, what will the molarity of the solution be? Answer should have 1 decimal place. Your Answer: Answer
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How many milliliters of solution are needed to make 0.30 M solution containing 0.46 grams of Ca(OH)2? Answer to 2 decimal place.