8. Purell Advanced Instant Hand Sanitizer gel contains 70% ethyl alcohol by volume. a) Determine the mass of ethyl alcohol in an 8 fl oz bottle of hand sanitizer gel. The density of ethyl alcohol is 0.789 g/cm³. (1.0 fl oz = 29.574 mL) Report your answer to two significant figures. Show your work b) Based on significant figure rules, how many sf should be reported in the final answer?

8. Purell Advanced Instant Hand Sanitizer gel contains 70% ethyl alcohol by volume. a) Determine the mass of ethyl alcohol in an 8 fl oz bottle of hand sanitizer gel. The density of ethyl alcohol is 0.789 g/cm³. (1.0 fl oz = 29.574 mL) Report your answer to two significant figures. Show your work b) Based on significant figure rules, how many sf should be reported in the final answer?

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...

See similar textbooks

Similar questions

Handwriting not allow please
2
Convert 6.75 g/L to lb/in3. Give your answer in scientific notation (e. g. 1.23E4 instead of 12340). 1 lb = 453.59 g Question 8 Convert 0.00 K to °C and °F. Give your answers to the correct number of sig. figs. KC+273.15 °F (9/5)(°C) + 32 T = T = Question 9 °C 1 in 2.54 cm °F Convert 322 °F to °C and K. Give your answers to the correct number of sig. figs. K= °C + 273.15 °C (5/9)(°F-32)
Show your solution. Express your answers in appropriate number of significant figures.
The concentration of cholesterol in a blood sample is found to be 215 mg/dL. express this concentration in the following units: Enter a number only. Do not spell. Do not use scientific notation. Remember significant figures. a) mg/100 mL mg/100 mL b) g/L g/L
Solve correctly please.
Please answer number 2. Thanks
A chemistry student needs 35.00 g of butanoic acid for an experiment. He has available 1.5 kg of a 41.1% w/w solution of butanoic acid in diethyl ether. %3D Calculate the mass of solution the student should use. If there's not enough solution, press the "No solution" button. Round your answer to 3 significant digits. No solution x10 I Don't Know Submit 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center | Accessibility 224 F L W 3/25/202 DELL F8 F10 F12 Prisc Insert Delete & Backsp ace W R K Enter Thift bll
Part B (Trial #1) Part C (Trial #2) Mass of empty evaporation dish 154.48 g 158.34 g Volume of sodium chloride solution added to evaporation dish 10.0 mL 10.0 mL Mass of evaporation dish containing sodium chloride crystals after evaporating the water and drying 154.94 g 159.85 g Determine the average mass/volume % of salt in water.
9- Calculate the volume in liters of a 1.7 x 10 mol/L mercury(I) chloride solution that contains 325. µmol of mercury(I) chloride (Hg,Cl,). Round your answer to 2 significant digits. dlo ?
Hi! I am having difficulty figuring these questions out and need help. Thank you so much.
The percent mass per volume sugar concentration can be calculated using the following expression: % sugar () = 100 x g sugar total mL of the sample %3D What's the %sugar (m/v) concentration of a sugar standard solution that was made by adding 4.96 g of sugar to 288 mL of water? Question 2 Density is the ratio of the volume of a sample to its mass. density = mass volume What's the density of a 1.5 mL solution that weighs 1.16 grams?