Name 3 commercial indicators

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You may want to reference (Page) Section 16.5 while completing this problem. Calculate (H3 o+| at 25° C for each solution and determine whether the solution is acidic, basic, or neutral.

87. What volume of 0.151 N NaOH is required to neutralize 24.2 mL of 0.125 N H2SO4? What volume of 0.151 N NaOH is required to neutralize 24.2 n1L of 0.125 M H2SO4?

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Physiological saline concentration—that is, the sodium chloride concentration in our bodies—is approximately 0.16 M . A saline solution fur contact lenses is prepared to match the physiological concentration. If you purchase 25 mL of contact lens saline solution, how many grams of sodium chloride have you bought?

A chemist prepares a solution of iron(II) bromide (FeBr,) by measuring out 1.1 x 10" µmol of iron(II) bromide into a 150. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's iron(II) bromide solution. Round your answer to 2 significant digits. mol x10 Continue Submit Assignment 2021 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center Accessibility I'm We %23 $ % & 3 4 5 6 7 8 R

Write a procedure explaining how to prepare a solution with a 3.45 % by weight of solid compound Potassium Nitrate. The mass of the solution must be 267.0 g. Please indicate which equipment you are using when writing the procedure! Be specific!  Available glassware Beakers – 30 mL, 50 mL, 100 mL, 250 mL, 400 mL, 600 mL Conical flask – 125 mL, 250 mL, 500 mL Graduate cylinders – 10 mL, 25 ml, 100 mL Volumetric flasks – 50 mL, 100 mL, 250 ml, 500 mL Pipets – 1, 2, 3, 4, 5, 10, 15, 20 and 25 mL Buret – 25 mL

The label on a bottle of “organic” liquid fertlizer concentrate states that it contains 7.40 grams of phosphate per 100.0 mL and that 16.0 fluid ounces should be diluted with water to make 32.0 gallons of fertilizer to be applied to growing plants. What is the phosphate concentration in grams per liter in the diluted fertilizer? (1 gallon= 128 fluid ounces)

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