4.A student dissolves 1.18g H2C204. 2H20 (MM= 126.07 g/mol) in water and titrates the solution with NaOH of unknown concentration, the student determines that 28.3mL of NaOH is required to neutralize the acid, calculate the molarity of NaOH solution. Given balanced equation: H2C204+ 2NAOH -> Na2C204 + 2H20

1 match Begins with : Q Gently insert the c Done Messages Courses Help Spring 2022 CHEM 106 Mengting Wu ▼ (Student - section: C54) Logou Main Menu Contents Grades Groups Course Timer Notes Evaluate Feedback Print Inf Follow proper technique when using a pipet: False A volumetric pipet should 'not be "blown out" to eject all liquid at the tip. Volumetric pipets are calibrated in a manner that takes into account the solution which remains at the tip. True Using the pipettor, you should turn the wheel on the pipette, draw up the solution until the meniscus is several centimeters above the calibration line, then quickly remove the pipette and put your thumb over the open hole of the pipet. True When the bottom of the meniscus coincides with the calibration mark, your pipet contains a precisely measured volume. True e Do not force the pipet into the pipettor, be gentle. Excessive force may cause the pipet to break and could potentially cut you while trying to insert or remove the pipet.…

AutoSave Off CHML 1045 A6 Assignment (1) - Word O Search Danielle Hubbard DH File Home Design Layout References Mailings Review View Help A Share P Comments Insert Draw O Find - - 12 - A A Aav A 三 处T Arial AaBbCcDc AaBbCcDc AaBbCcI AaBbC AaBbCcC Replace Paste BIU - ab x, x A - er A I Normal T No Spac. 1 Table Pa. Heading 1 Heading 2 Dictate Sensitivity Editor Reuse A Select v Files Clipboard Paragraph Styles Sensitivity Reuse FilesA Font Editing Voice Editor L results. Molarity (M) of NaOH (from the bottle of NaOH): 0.204 mol/L Titration Number 3 4 34.44 mL 0.50ML Final Volume buret reading (mL NAOH) 34.00 33.85 mL 0.50mL 33.80 mL 0.50mL 0.50mL Initial Volume buret reading (mL NaOH) Volume NaOH used in titration (mL) = Final Volume buret reading (mL NAOH) - mL Initial Volume buret reading (mL NaOH) 33.94 For calculations multiply mL by 10-3 to convert mL toL Molarity (M or mol/L) NaOH from the bottle of NaOH 0.204 mol/L 10.0 mL 10.0mL 0.204 0.204 0.204 mol/L 10.0 mL 10.0 mL mol/L mol/L…

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