نقطتان )2( the Gravimetric analysis can ----:consider as The quantitative methods that are based on measuring the mass of analye the analytical method that are based on testing the constituent of sample The reaction that are based on mixing two acidic and basic solution to form salts and water The quantitative methods that are based on determining the mass of analyte

نقطتان )2( the Gravimetric analysis can ----:consider as The quantitative methods that are based on measuring the mass of analye the analytical method that are based on testing the constituent of sample The reaction that are based on mixing two acidic and basic solution to form salts and water The quantitative methods that are based on determining the mass of analyte

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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13. A chemistry student offers a possible improvement to this lab. Since one goal of this lab is to determine the mass of the precipitate produced, wouldn't it be possible to measure the mass of an empty beaker, mix the solutions, and boil off the water until it is entirely evaporated, leaving only solid behind? Then the beaker with the precipitate could be weighed, and the difference between this mass and that of the empty beaker would be the mass of the precipitate. This would eliminate the need for the filtration step. Explain why this is a poor suggestion. Remember to check your reasoning on this question and all other questions with your instructor.
O SIMPLE REACTIONS Ghaya Determining the volume of base needed to titrate a given mass... A chemistry student weighs out 0.0544 g of acrylic acid (HCH,CHCO,) into a 250. mL volumetric flask and dilutes to the mark with distilled water. He plans to titrate the acid with 0.1900 M NAOH solution. Calculate the volume of NAOH solution the student will need to add to reach the equivalence point. Round your answer to 3 significant digits. mL x10 18 Ar Explanation Check © 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use I Privacy Accessibility 7:37 PM ») ENG 2/27/2021 P Type here to search DELL PrtScr Insert Home End Delet Esc F8 F9 F10 F11 F12 F1 F2 F3 F4 F5 F6 F7 # 24 & Back 2 ĭ 3 ř 4{5 0 6 7 7 Y 8 A 9 q o
1.5 Give two examples of inorganic precipitation agents and elements that can be precipitated using these precipitating agents.
do you not need to take account for the amount of moles of the substances added to the water as the question asks "100.0 g of each were added to 1.00 L of water"?
A student places 116 mL of a 0.581 M NaCl solution in a beaker and adds water till the liquid reaches a certain value. The students then measures the molar concentration of the new solution and finds that is has become 0.335 M. What is the volume in mL of the final solution? Enter only a numerical answer, do not enter units.
A student in a lab takes 16.0 M aqueous stock solutions and dilutes it in a 500 mL volumetric flask with deionized water. After that the student takes 10 mL of the resulting diluted solution, and further dilutes it to 25.0 mL in a test tube. The student did so with the intention of making 25.0 mL of a 0.750 solution. In order to make the final 25.0 mL solution, how much stock solution did the student need to add to the 500 mL volumetric flask?
Calculate the molarity of 150.0 mL of sodium hydroxide solution needed to react with 65.7 mL of a 0.128 M solution of phosphoric acid. OA. 0.877 M Ов.0.168 м Oc. 0.0974 M OD. 0.0420 M OE. 0.0187 M OF. 0.0390 M OG. 0.0561 M OH.0.292 M QUESTION 2 What volume of 0.128 M solution of hydrochloric acid is needed to react with 200.0 mL of 0.128 M calcium hydroxide? O A. 0.0000410 mL Ов. 100. mL OC. 0.000164 mL OD. 24400 mL OE. 400. mL OF. 0.0000819 ml OG. 200. ml OH.6100 mL QUESTION 3 Given a density of 1.17 g/mL, what volume of a 50.5% solution of sulfuric acid is needed to react 350.0 mL of 0.138 M strontium hydroxide? OA. 95.6 mL Ов. 13100 mL OC. 5.15 mL OD.6.02 mL OE. 9.38 mL OF. 8.02 mL OG. 15300 mL OH.4.40 mL QUESTION 4 Given 200.0 mL of a 0.139 M solution of aluminum chloride, according to the following equation, how many mL of a 0.358 M solution of sodium carbonate are needed to react with the aluminum chloride? 3 NazcOg(aq) + 2 AICI3(aq) - Alg(coz)a(s) + 6 Naci(aq) OA. 77.7 ml OB.…
What mass of copper II hydroxide precipitate is produced by the double displacement reaction in a solution of 2.67 g of potassium hydroxide with excess aqueous copper II nitrate?
Please don't provide handwritten solution...
Calculate the molarity of the solution when 804.0 mL of solution contains 0.0900 moles of HCI. In the three blanks, enter the value (decimal notation with proper s.f.), units, and substance (in this order).
Write the formulas of the reactants and products - including the symbols for the state - (s), (l), (g), (aq) - then balance the equations. Use the WIRIS editor to appropriately represent formulas and symbols.