Homework Answers
1) Mass of 1 pellet = 100 mg = 100 / 1000 = 0.1 g
Therefore, mass of 3 pellets is 3 x 0.1 g = 0.3 g.
2) Moles of NaOH in 3 pellets = Mass(g) / MW
= 0.3 g / 39.997 g/mol
= 0.00750 mole.
= 7.50 x 10-3 mole.
Molesof NaOH = 7.50 x 10-3 moles.
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can someone help? doing question from my lab report and im
confused on finding the answer...
can someone help me with these problems not sire if im doing it right NAME SECTION...
can someone help me with these problems not sire if im doing
it right
NAME SECTION DATE REPORT FOR EXPERIMENT 22 INSTRUCTOR Neutralization-Titration 1 Data Table Sample 1 Sample 2 Samples (if needed) Mass of flask and KHP Mass of empty flask 94.79949 93.66169 1.1218 95.3960 94.21442 1.1656 36.94 L Mass of KHP Final buret reading / P.as Initial buret reading 0.15- 18.24 L Volume of base used CALCULATIONS: In the spaces below show calculation setups for Sample 1 only....
hello, can someone confirm my answers and show work please REPORT SUMMARY Data And Report Submission...
hello,
can someone confirm my answers and show work please
REPORT SUMMARY Data And Report Submission - Reducing Benzil (29pts) Data Cipts) Amount of beril used in grams 0.146 (4) Amount of reactantin moles 0.0069 (tts) Amount of sodium borahydride used in gams 0.019 Apts) Amount of sodium borohydride in moles 0.00502 (ps) Product obtained in grams 0.14 Apts) Product obtained in moles 0.00658 4pts) Product theoretical yield 0.147 (pt) Product percent yield 95918 (21) Product melting point
Can someone please help me how to calculate the theoretical yield from this chart? I am...
Can someone please help me how to calculate the theoretical
yield from this chart?
I am so confused
This is the chart that I was given and Distillate V-2 is the
last part of the chart. This is the part of preparation and
reaction of alkene lab, and only using Distillate V-2 not V-1.
Compounds Molecular Density | Amounts moles Weight or used concentration (gm/mL) Cyclohexanol 0.9624 2.1 mL 20 mmol g/mol Phosphoric 97.994 1.88 0.7 ml 0.0134 acid g/mol...
Help 3 attempts left Check my work Be sure to answer all parts. Report problem points...
Help 3 attempts left Check my work Be sure to answer all parts. Report problem points How many moles are contained in each number of grams of table sugar (C211,201 molar mass 342.3 g/mol)? Enter your answer in scientific notation. Hint a. 0.650 g b . 8.60 g Solution eBook a 10 mol Guided Solution b. 10 mol Print References
can someone answer C, I feel like im doing it correctly but keep gettting told my...
can
someone answer C, I feel like im doing it correctly but keep
gettting told my answer is wrong. thank you.
Calculate the maximum deceleration (in assume that the weight of the car is evenly )of a car that is heading down a 12.5 slope one that makes an angle of 12.5° with the horontal) under the following road condition. You may tributed on all four tres and that the state coefficient of friction is involved that is, the tires...
im not sure if run 1 is correct. can someone help me with run 2? thanks...
im not sure if run 1 is correct. can someone help me with run
2? thanks
Name: Partner(s) Name Date: Part A: Molar Solubility and Ksp of Calcium Hydroxide Molarity of standardized HCl solution (mol/L): 0.050 44 RUN 1 RUN 2 Initial buret reading (mL) 0.00 0.00 Volume of HCl added at equivalence point (mL) 192 19.4 Volume of HCI added at equivalence point (L) og 10.194 10.875 mol 10-05) Moles of HCI added at equivalence point Moles of OH...
hopefully im not asking a lot but can someone help me with my last homework question...
hopefully im not asking a lot but can someone help me with my
last homework question
Problem 3 (20 pts) Solve the first order differential equation ay = 2x(y – 5) with boundary condition y(0) = 1 under the assumption that y # 5.
please help me answer 1-3. My avergae number of mL of 0.100M NaOH required to titrate...
please help me answer 1-3. My avergae number of mL of 0.100M
NaOH required to titrate the remaining anount of HCl in my sample
is 1.08mL.
CAMERY Review Layout References Mailings Wednesday, March 25, 2020 View Help ID Number Experiment 17: Analysis of an Antacid Normally in the lab we would do the titration as described. Instead I will be providing you with the results as if you had gotten them from your titration. The procedure calls for you to...
lab report help please!! REPORT FOR TITRATION EXPERIMENT Paulus Name esico Sciuto Date 10 20l19 Section...
lab report help please!!
REPORT FOR TITRATION EXPERIMENT Paulus Name esico Sciuto Date 10 20l19 Section Jed- PART A: DETERMINATION OF ACETIC ACID CONTENT OF VINEGAR DATA: mL Volume of vinegar sample titrated O.OSOM Molarity of standard base |१.१3mt_ Average volume of NaOH used in titration CALCULATIONS 1. Using the average volume of sodium hydroxide, calculate the number of moles of base Of noleS7 needed to neutralize a 1.00 mL sample of vinegar. ava volume Nolarity moles of Nab VDlumetL)...
can you help me fill out the table im confused O.N . NaOCI (5%) O NUNH...
can you help me fill out the table im confused
O.N . NaOCI (5%) O NUNH NaOH isocyanate intermediate Figure 1. Reaction Scheme. Prelab Report Objectives (2 pts): Describe the central objectives of this experiment. Describe one learning outcome you expect to have gained at the end of this experiment. Procedure (3 pts): In your prelab report, write an outline of the experimental procedure. Remember to include your name, lab section and the name of your TA (on each page),...
can someone help me with these problems not sire if im doing
it right
NAME SECTION DATE REPORT FOR EXPERIMENT 22 INSTRUCTOR Neutralization-Titration 1 Data Table Sample 1 Sample 2 Samples (if needed) Mass of flask and KHP Mass of empty flask 94.79949 93.66169 1.1218 95.3960 94.21442 1.1656 36.94 L Mass of KHP Final buret reading / P.as Initial buret reading 0.15- 18.24 L Volume of base used CALCULATIONS: In the spaces below show calculation setups for Sample 1 only....
hello,
can someone confirm my answers and show work please
REPORT SUMMARY Data And Report Submission - Reducing Benzil (29pts) Data Cipts) Amount of beril used in grams 0.146 (4) Amount of reactantin moles 0.0069 (tts) Amount of sodium borahydride used in gams 0.019 Apts) Amount of sodium borohydride in moles 0.00502 (ps) Product obtained in grams 0.14 Apts) Product obtained in moles 0.00658 4pts) Product theoretical yield 0.147 (pt) Product percent yield 95918 (21) Product melting point
Can someone please help me how to calculate the theoretical
yield from this chart?
I am so confused
This is the chart that I was given and Distillate V-2 is the
last part of the chart. This is the part of preparation and
reaction of alkene lab, and only using Distillate V-2 not V-1.
Compounds Molecular Density | Amounts moles Weight or used concentration (gm/mL) Cyclohexanol 0.9624 2.1 mL 20 mmol g/mol Phosphoric 97.994 1.88 0.7 ml 0.0134 acid g/mol...
Help 3 attempts left Check my work Be sure to answer all parts. Report problem points How many moles are contained in each number of grams of table sugar (C211,201 molar mass 342.3 g/mol)? Enter your answer in scientific notation. Hint a. 0.650 g b . 8.60 g Solution eBook a 10 mol Guided Solution b. 10 mol Print References
can
someone answer C, I feel like im doing it correctly but keep
gettting told my answer is wrong. thank you.
Calculate the maximum deceleration (in assume that the weight of the car is evenly )of a car that is heading down a 12.5 slope one that makes an angle of 12.5° with the horontal) under the following road condition. You may tributed on all four tres and that the state coefficient of friction is involved that is, the tires...
im not sure if run 1 is correct. can someone help me with run
2? thanks
Name: Partner(s) Name Date: Part A: Molar Solubility and Ksp of Calcium Hydroxide Molarity of standardized HCl solution (mol/L): 0.050 44 RUN 1 RUN 2 Initial buret reading (mL) 0.00 0.00 Volume of HCl added at equivalence point (mL) 192 19.4 Volume of HCI added at equivalence point (L) og 10.194 10.875 mol 10-05) Moles of HCI added at equivalence point Moles of OH...
hopefully im not asking a lot but can someone help me with my
last homework question
Problem 3 (20 pts) Solve the first order differential equation ay = 2x(y – 5) with boundary condition y(0) = 1 under the assumption that y # 5.
please help me answer 1-3. My avergae number of mL of 0.100M
NaOH required to titrate the remaining anount of HCl in my sample
is 1.08mL.
CAMERY Review Layout References Mailings Wednesday, March 25, 2020 View Help ID Number Experiment 17: Analysis of an Antacid Normally in the lab we would do the titration as described. Instead I will be providing you with the results as if you had gotten them from your titration. The procedure calls for you to...
lab report help please!!
REPORT FOR TITRATION EXPERIMENT Paulus Name esico Sciuto Date 10 20l19 Section Jed- PART A: DETERMINATION OF ACETIC ACID CONTENT OF VINEGAR DATA: mL Volume of vinegar sample titrated O.OSOM Molarity of standard base |१.१3mt_ Average volume of NaOH used in titration CALCULATIONS 1. Using the average volume of sodium hydroxide, calculate the number of moles of base Of noleS7 needed to neutralize a 1.00 mL sample of vinegar. ava volume Nolarity moles of Nab VDlumetL)...
can you help me fill out the table im confused
O.N . NaOCI (5%) O NUNH NaOH isocyanate intermediate Figure 1. Reaction Scheme. Prelab Report Objectives (2 pts): Describe the central objectives of this experiment. Describe one learning outcome you expect to have gained at the end of this experiment. Procedure (3 pts): In your prelab report, write an outline of the experimental procedure. Remember to include your name, lab section and the name of your TA (on each page),...
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