mg of OXallo acid (H,C,04), a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in 250. mL of distilled water. The student then titrates the oxalic acid solution with her sodium hydroxide solution. When the titration reaches the alo equivalence point, the student finds she has used 122.7 mL of sodium hydroxide solution. Calculate the molarity of the student's sodium hydroxide solution. Be sure your answer has the correct number of significant A digits. x10 ?

mg of OXallo acid (H,C,04), a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in 250. mL of distilled water. The student then titrates the oxalic acid solution with her sodium hydroxide solution. When the titration reaches the alo equivalence point, the student finds she has used 122.7 mL of sodium hydroxide solution. Calculate the molarity of the student's sodium hydroxide solution. Be sure your answer has the correct number of significant A digits. x10 ?

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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A student conducting this experiment measures out 0.913 g of an unknown monoprotic weak acid and dissolves it in 110 mL of water. After adding an indicator, the student titrates the weak acid with 15.55 mL of 0.380 M NaOH to reach the equivalence point. What is the molar mass of the unknown acid?
An analytical chemist weighs out 0.087 g of an unknown monoprotic acid into a 250 mL volumetric flask and dilutes to the mark with distilled water. She then titrates this solution with 0.1100 M NaOH solution. When the titration reaches the equivalence point, the chemist finds she has added 11.0 mL of NaOH solution. Calculate the molar mass of the unknown acid. Be sure your answer has the correct number of significant digits. g mol Explanation JAYE A @@ W Recheck > # 3 E 80 F3 $ 4 X 8.88 F4 R S C % 5 F5 T 6 MacBook Air Y & 7 4 F7 U * © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility 8 DII ( 9 DD O O F10 P ?圖 □ 留 m F11 olo Ar (9)
A chemistry student needs to standardize a fresh solution of sodium hydroxide. She carefully weighs out 51 mg of oxalic acid (H2C2O4), a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in 250 mL of distilled water. The student then titrates the oxalic acid solution with her sodium hydroxide solution. When the titration reaches the equivalence point, the student finds she has used 19.2 mL of sodium hydroxide solution. Calculate the molarity of the student's sodium hydroxide solution.
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A student is given 1.52 g of an unknown acid, which can be either oxalic acid, H2C2O4, or citric acid, H3C6H5O7. To determine which acid she has, she titrates the unknown acid with 0.650 M NaOH. The equivalence point is reached when 52.0 mL are added. Answer the following questions to determine the identity of the unknown acid. 1. How many moles of NaOH are consumed? Moles of NaOH = _____ mol 2. How many moles of H+ acid are available to react if the acid is H2C2O4? 0.0403 mol NaOH Moles of H+ from H2C2O4 = ___ mol 3. How many moles of H+ are available to react if the acid is H3C6H5O7? 0.0403 mol NaOH 0.0573 mol H+ from H2C2O4 Moles of H+ from H3C6H5O7 = ___ mol
A titration was done using 32.83mL of a weak acid and 0.141 M NaOH. If 32.81 mL of the NaOH was required to reach the equivalence point, what was the initial concentration of the weak acid?
O SIMPLE REACTIONS Determining the molar mass of an acid by titration Jacque An analytical chemist weighs out 0.279 g of an unknown diprotic acid into a 250 mL volumetric flask and dilutes to the mark with distilled water. He then titrates this solution with 0.1400M NaOH solution. When the titration reaches the equivalence point, the chemist finds he has added 33.8 mL of NaOH solution. Calculate the molar mass of the unknown acid. Round your answer to 3 significant digits. mol fo Exnation Check |Privecy 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use MacBook Air
esc An analytical chemist weighs out 0.059 g of an unknown monoprotic acid into a 250 mL volumetric flask and dilutes to the mark with distilled water. She then titrates this solution with 0.1000 M NaOH solution. When the titration reaches the equivalence point, the chemist finds she has added 12.8 mL of NaOH solution. Calculate the molar mass of the unknown acid. Be sure your answer has the correct number of significant digits. 0 g mol Explanation RHO F2 Check 80 F3 0x10 X F4 S 0 F5 MacBook Air A F6 & & F7 DII F8 ( © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility F9 ) F10 a EEN F11 olo Ar
An analytical chemist weighs out 0.191 g of an unknown monoprotic acid into a 250 ml. volumetric flask and dilutes to the mark with distilled water. He then titrates this solution with 0.0600 M NaOH solution. When the titration reaches the equivalence point, the chemist finds he has added 33.7 ml. of NaOH solution. Calculate the molar mass of the unknown acid. Be sure your answer has the correct number of significant digits. e mol D 5
Suppose 0.473 grams of a solid monoprotic acid are titrated with 16.32 mL of 0.106 M NaOH. What is the molar molar mass of the solid acid?
When titrating 0.200 g of a monoprotic weak acid with 0.500 M NaOH, the volume of the titrant required to the end point was 15.00 mL. What is the molar mass of the weak acid?
An analytical chemist weighs out 0.311 g of an unknown diprotic acid into a 250 mL volumetric flask and dilutes to the mark with distilled water. He then titrates this solution with 0.1800M NaOH solution. When the titration reaches the equivalence point, the chemist finds he has added 23.0 mL of NaOH solution. Calculate the molar mass of the unknown açid. Be sure your answer has the correct number of significant digits. soft C W icrosoft Microsoft 6.52.210... esc 0 mol I Don't Know ! 1 Q A T option N 2 Submit 9,062 W S 280 X H command #3 E D x10 14 X $ 4 DEC 1 C R F S 07 dº % 5 V T G tv 6 Y B 201 & 7 H 2 Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility U N 20 ZA@ 00 * 8 J M 9 K H дв W L P V ¡ + 11 command option 0 16 A }