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- A chemist prepares a solution of zinc nitrate (Zn(NO,),) by measuring out 78. umol of zinc nitrate into a 100. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mmol/L of the chemist's zinc nitrate solution. Round your answer to 2 significant digits. mmol x10 I Don't Know Submit O 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center A 0. 区 W DELLReagent nitric acid is 67.74% HNO3 by mass and its molarity is 14.33 M. Calculate the mole fraction of nitric acid in the solution. Express final answer with two decimal places.Q7\ How to prepare 20 MLof 0.1 N of H2SO4, if the density 1.8 g/ml & percentage 97%(m.wt of H2SO4 98%
- Milliliters of isopropanol = mL Submit Part C How many liters of a 3.32 MK2SO4 solution are needed to provide 58.1 g of K2 SO4 (molar mass 174.01 g/mol)? Recall that M is equivalent to mol/L. Express your answer to th ree significant figures. View Available Hint(s) ? ΑΣΦ P Pearson Permissions Contact Us Copyright C2019 Pearson Education Inc. All rights reserved.| Terms of Use IPrivacy Policy F12 F11 II F8 F10 F9 F7 F6 F5 F4 F3 & A +II taur X Macmilla X 2/ Course X 50 ~ T Sections X Submit Answer evo/index.html?deploymentid=5735112480241329813180832311&elSBN=9781305862883&id=1707786042&snapshot! References lancing Molecular Equations: This is group attempt 2 of 10 HOMEW X Use the References to access Important values if needed for this question. When the following molecular equation is balanced using the smallest possible Integer coefficients, the values of these coefficients are: Na (s) + H₂0 (1). NaOH (aq) + H₂ (8) ≡く □ □ A MindTap ㅁ Autosaved at 5:51 PM MacBook Air Gatoms to When the following molecular equation is balanced using the smallest possible Integer coefficients, the values of these coeffi Br₂(g) + Cl₂(g) →BrCl(g) X Dom101 Chem101 b Search results for 'What is the mc X B Brainly.com - For students. By stu x G What is the molecularity of step + -> A app.101edu.co I Apps b bartleby B Brainly.com - For st. = Google Docs M gmail 6 eagle adv O school email m Monthly | My Classes 101 Chem101 E Reading list email S canvas general Question 37 of 44 Submit What is the molecularity of step 1 in the proposed mechanism? A) unimolecular Step 1 CI + O3 → CIO + O2 B) bimolecular C) termolecular Step 2 CIO + O3 → CI + 202 D) Cannot be determined from given mechanism 4:50 PM P Type here to search 82°F AQI 51 7/21/2021 近
- 5. In the Dumas method for determining the molar mass of an unknown volatile liquid, a sample of a volatile liquid that boils below 100°C is vaporized in a boiling water bath $ (4 101 and the mass of the vapor required to fill the flask is determined. The following data was collected: Flask Volume Mass of Flask + Cap Mass of Flask + Condensed Liquid Mass of Condensed Liquid. Temperature of Water Bath [°C) Barometric Pressure (atm) Accessibility: Unavailable 15 a. What is the molar mass of the unknown? b. What will its temperature be when the pressure is 1.20 atm and the volume is 250.0 mL? EN 100.0 100.0 + 79.6 mL = 279.6 mL 143.85 g 144.95 g & 1.10 g 84.1 °C 0.985 atm CH 8 144 9 ho 11 OWine goes bad soon after opening because the ethanol (CH3CH₂OH) in it reacts with oxygen gas (0₂) from the air to form water (H₂O) and acetic acid (CH₂COOH), the main ingredient of vinegar. What mass of water is produced by the reaction of 8.9 g of ethanol? Round your answer to 2 significant digits. 08 g x10 ? Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center Accessibility Explanation Check X MacBook Pro & XASAP
- Calculate the volume in milliliters of a 2.18M sodium chloride solution that contains 375. mmol of sodium chloride (NaCI) . Round your answer to 3 significant digits. OmlL ||mL x10 Submit Assignment Continue 2022 McGraw Hill LLC. AIl Rights Reserved. Terms of Use Privacy Center I Accessibility IMG-4492.jpg IMG-4482.jpg IMG-4481.jpg IMG-4480.jpg IMG-4493.jpg MacBook Air DD 80 F7 F8 F9 F10 F11 F1 F2 F3 F4 F5 F6 @ # % & * ( 2 3 4 5 6 7 8 %24Calculate the volume in milliliters of a 0.995 mol/L calcium bromide solution that contains 150. g of calcium bromide (CaBr, ). Round your answer to 3 Mary significant digits. mL x10 do Ar I Don't Know Submit 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibi 12:27 PM W 4/8/2022 DELL PgUp Delete PrtScr Insert F12 F10 F11 F8 F9 F6 F7 F4 F5 F2 F3 F1 Backspaceles A certain liquid X has a normal boiling point of 90.90 °C and a boiling point elevation constant K, =1.58 °C-kg'mol '. Calculate the boiling point of a solution -1 made of 53.g of iron(III) nitrate (Fe(NO,)) dissolved in 250. g of X. Round your answer to 3 significant digits. OL Check Save For Later Submit Assignment O 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use I Privacy Center Accessibility EPIC MacBook Pro esc F8 F10 F2 F3 F4 F5 $ # 3 * 2 4 8 7. 6. 9. tab E. A caps lock B. command option control option command