A commercial vinegar is analyzed for the percent acetic acid present. The data for the first trial is given below. Calculate the required quantities using the raw data below. Preparation of Vinegar Sample: • Mass of vinegar (g) = 3.06 Analysis of Vinegar Sample: • Buret reading, initial (mL.) = 25.40 • Buret reading, final (mL) = 3.70 • Molar concentration of NAOH solution (mol/L) = 0.0940 Calculate the volume of N2OH used (mL). Number answer only, do not write units. Do NOT write answer in scientific notation. 21.7 Calculate the moles of N2OH added (mol). Give answer with at least three significant figures. Take note that number of significant figures is not necessarily the same as number of decimal places. Number answer only, do not write units. Do NOT write answer in scientific notation. 0.00204 Calculate the moles of CH3COOH in vinegar (mol). Number answer only, do not write units. Do NOT write answer in scientific notation. 0.00204 Calculate the mass of CH3COOH in vinegar in grams (g). Number answer only, do not write units. Do NOT write answer in scientific notation. 0.122 Calculate the percent by mass of CH3COOH in vinegar (%). Number answer only, do not write units. Do NOT write answer in scientific notation. 4

Search he web.. H Take T X G What is th P Pearson S b Answered M Inbox (1,0 er 1 0 8 https://bblearn.rcsj.edu/webapps/assessment/ Question Completion Status: 3. 50 70 100 110 120 130 14G 18 QUESTION 3 3.478 g x 1.164 g What is the best answer to report for -0.116 g/mL g/mL? 2.00 mL O a. 1 g/mL O b.1.904 g/mL Oc.1.90478009 g/mL O d. 1.9 g/mL Oe1.91 g/mL QUESTION 4 The state of matter for an object that has both definite volume and definite shape i a. gaseous state b. elemental state OC. solid state Od. mixed state e. liquid state Click Save and Submit to scue and subrt CackSae74nswers to save al cnswers. Type here to search

Part D a solution with a density of 1.01 g/mL that is 1.11% HCl by mass Express your answer to three decimal places. 4 5 ΑΣΦ pH = Submit Provide Feedback Q Search Request Answer hp

QUESTION 7 Find the incorrect equality O 1h = 3600 s O 1 gal = 4 qt %3D O 5 mL = 1 tsp %3D O 1L= 1000 mm QUESTION 8 What is the conversion factor for the

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Mr. Z measured the pH of the pond water in USC pond. His measurements are as follows: 8.1, 7.8, 8.2, 7.9, 8.0, 8.3   If the true pH of the pond water is 8.2,   a) Calculate the absolute error. b) Calculate the relative error c) Calculate the percent relative error d) Calculate the standard deviation e) Calculate the relative standard deviation

Question 3 The literature value of R is 0.08206 Latm/molK. Your experimental value is 0.08012. What is your percent error? 920% 2.36% 92.0% 0236% 70°F

Question A graduated cylinder initially contains 48.6 mL water. When a piece of jewelry is submerged in the graduated cylinder, the total volume increases to 61.2 mL. What is the volume of the piece of jewelry? Select the correct answer below: O109.8 cm³ O61.2 mL O 12.6 cm³ 48.6 cm³ Content attribution O C H U 8 411 FEEDBACK MORE INSTRUCTION + 8 SUBMIT Rain to stop ←backspace 7