Normal saline, a 0.90 %(w/v) solution of salt (NaCl)in water, is often used as an IV carrier fluid in hospitals. Calculate the volume of this solution that contains 345. mg of NaCl. Be sure your answer has a unit symbol and is rounded to the correct number of significant digits. Explanation Check O 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center Accessibility

Normal saline, a 0.90 %(w/v) solution of salt (NaCl)in water, is often used as an IV carrier fluid in hospitals. Calculate the volume of this solution that contains 345. mg of NaCl. Be sure your answer has a unit symbol and is rounded to the correct number of significant digits. Explanation Check O 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center Accessibility

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...

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Question 7 Consider the following prescription: Promethazine HCI 62.5 mg Nacl qs SWFI ad 50 mL Make isoton. soln. The E-value of promethazine HCl is 0.18. How many milligrams of sodium chloride should be used in compounding the prescription? (Your answer must be numeric. Do not include units. Round to the nearest whole number.) 1200
Report 2 decimal places for all your answers. Do NOT include units in your answer. BaCl₂ H₂O 208.23 Mass of anhydrous BaCl₂ (amu) Mass of H₂O molecules in Hydrate (amu) Mass of Hydrate (amu) Percent H₂O in Hydrate (%) O BaCl 208.23 0.00 At n 208.23 plete the table. 0.00 % 18.02 226.25 7.97% Select one: O a. BaCl, • H2O O b. BaClz • 2 H2O O c. BaCl2 • 3 H2O O d. The data is inconclusive: it could be either BaCl₂ H₂O OR BaCl₂.2 H₂O O e. The data is inconclusive: it could be either BaCl₂ 2 H₂O OR BaCl₂ 3 H₂O BaCl₂ 2 H₂O 208.23 51°F 36.04 244.27 14.8 0 % Compare the experimental percent water you calculated for the barium chloride hydrate in the Question 6 in this assignment (above) with the theoretical percent water values calculated from the possible formulas in the table above. Do you think that the formula for hydrate is BaCl₂ H₂O, BaCl₂ 2 H₂O, or BaCl₂3 H₂O? End BaCl₂ 3 H₂O 208.23 PgUp 54.06 262.29 20.6 40) % J 6 Manage 9:44 PM 10/9/2022 PgDn
Lab Add-ons Help Last edit was 2 minutes ago BIUA Russo One 12 NA molecules Crayon CaHs2 352 g =352 g/mol stions (1) A chemist needs 1.25 moles of sugar lo dissalve in 1iter of water. How many grams of sugar will the chemist need? 1 mol of sugar (12x6) (1x12)+(16x6)-180g 1.25 mol of sugar 125X180 225g (2) From the calculated number of molecules of calcium carbonate (Caco)n a piece of chak, determine the tctal numbi each of the elements within your piece of chak, calcium. carbon, and oxygen. How many atoms in tocal are present? Molecules of CaCo, 100 g/mol| Roms of Ca. Atoms of C Atoms of 0 Tetal atoms. (3) The amount of iron required per day for the average person is 0.015.g. How many anorms ot ron is this? Roms of Fe 56 gmol moles of Fe ins CO15g of te-0.01s 23 56 1 mol-6023xdd oms so. 0.000212mode1,608x0 20 toms (4 CHALLENGE QUESTION According so the Natonal Instutes of Health (NIH), the recommended amount of sodiu consumed per day for the average person is no.more than 2.3g. Using…
estion 10 A solution of methanol (CH3OH, MM - 32.042 g/mol) dissolved in ammonia (NH3. MM - 17.034 gimol) has a concentration of 5.1 m. What is the mole traction of the solute Report your answer to three decimal places.
soution B has more sugar that solution A. Solution B has 30%sugar and solution A has 10% sugar. what are the percentage of water? A. A= 10% water, B= 30% water B. A= 20% water, B= 60% water C. A=80% water, B=40% water D. A=90% water, B=70% water
Achemist adds 1.35 L of a 1.72 mol/L sodium thiosulfate (Na₂S₂O3) solution to a reaction flask. Calculate the mass in kilograms of sodium thiosulfate the chemist has added to the flask. Be sure your answer has the correct number of significant digits. kg Explanation Check 80 x10 X 888 S FS MacBook Air FO ? DI FR olo 18 Ar 8- 11242 © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility I F11
Macmillan Learning A solution of CaCl₂ in water forms a mixture that is 28.5% calcium chloride by mass. If the total mass of the mixture is 631.1 g, what masses of CaCl, and water were used? mass of CaCl₂: mass of water: g g
Ammonium phosphate ((NH,) PO is an important ingredient in many fertilizers. It can be made by reacting phosphoric acid (H, PO,) with ammonia (NH). What mass of ammonium phosphate is produced by the reaction of 4.3 g of phosphoric acid? Round your answer to 2 significant digits. 區 Explanation Check O 2021 McGraw Hill LLC. All Rights Reserved. Terms of Use I Privacy Center Accessibility
||| O STOICHIOMETRY Using molarity to find solute mass and solution volume A chemist adds 90.0 mL of a 1.41M aluminum chloride (AIC13) solution to a reaction flask. Calculate the mass in grams of aluminum chloride the chemist has added to the flask. Be sure your answer has the correct number of significant digits. g Explanation Check . === x10 X S JUL 19 4 m 0/3 tv tv♫♬ Kirst 2022 McGraw Hill LLC All Dinhte Docenied Torme of Lleo Privacy Center | Ac Nall A J N.
q pls answer c and d, please complete solution
Part D: number of moles?