Lab Data Mean Mass (g) Mean Volume (mL) Mean Density (g/mL) Slope (g/mL) 6.951 10.710 1.3 8.2 18.512 2.6 7.1 26.915 3.8 7.1 31.595 4.4 7.2 35.754 5.1 7.0 47.535 6.6 7.2 Average Density 7.3

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Pl 5 please answer question and make sure the answer is right show all work please thank you.

Helllppp please

A. Standardizing a Dilute Solution of Sodium Hydroxide, NaOH (aq) КНС,Н,О, (аq) + NaOH (aq) H,O (1) + KNAC,H,O, (aq) 204.22 g/mol Trial 1 Trial 2 Trial 3 1.398g 1.452g 1.316g mass of KHP, g moles of KHP, mol moles of NaOH, mol initial buret reading, mL final buret reading, mL volume of NaOH used, mL volume of NaOH used, L [NaOH], M average [NaOH], M

Can you redo the calculation ?

Question 2 of 21 Submit Convert 797 mm Hg to atm STARTING AMOUNT ADD FACTOR ANSWER RESET *( ) 1.01325 1 1.05 760 1000 6.06 x 105 101.325 14.70 105 7.97 797 0.98692 1.01325 x 105 0.001 atm kPa psi torr mm Hg Pa bar

For the drop down menu on number 2, the options are zero, first, and second.

Tab Window Help Learning X ATM HOMEWORK Module 9 X Submit Answer mentid=5735112480241329813180832311&elSBN=9781305862883&id=1707786068&snapshotid=33225... Use the References to access important values if needed for this question. Mind Tap - Cengage Learning X G What volume (in mL) of a 0.125 X ☆ tv References Oxalic acid dihydrate is a solid, diprotic acid that can be used in the laboratory as a primary standard. Its formula is H₂C₂O4 2H₂O. on Using a Primary Standard: This is group attempt 1 of 10 A student dissolves 0.890 grams of H₂C₂04 2H₂O in water and titrates the resulting solution with a solution of sodium hydroxide of unknown concentration. If 35.9 mL of the sodium hydroxide solution are required to neutralize the acid, what is the molarity of the sodium hydroxide solution? Ni ☎ A Autosaved at 10:58 PM Q 9 M A M. *

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