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- A mixture that is 5.2x10-2 M in NaC,H3O2 and 5.4x10-2 M in Ba(C2 H302)2- Express your answer using two significant figures. ? (OH ]: M !! Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part F Express your answer using two decimal places. pH =Examen 1. Convierta 15.5 kg a mg. Recuerde que k = 1 x 10^3; y m = 1 x 10^-3. Select one: O a. 155 mg O b. 15,500 mg O c. 15.5 mg O d. 1.55 mgO STOICHIOMETRY OO Jada Dilution A chemist makes 510. mL of zinc oxalate (ZnC,0, working solution by adding distilled water to 300, mL of a 139. µM stock solution of zinc oxalate in water. Calculate the concentration of the chemist's working solution. Round your answer to 3 significant digits. Explhation Check 2021 McGraw H Education All Rights Reserved Terms of Use Privacy Accessibil esc Thank The & 1 2 4 6 8 9 tab W E R T Y { } P A os lock G H K V B N M < "ontrol option command command option
- 9- An aqueous solution at 25 C has a H,O concentration of 2. x 10 M. Calculate the OH concentration. Be sure your answer has 1 significant digits. || M x10 I Don't Know Submit O 2022 McGraw Hill LLC. All Rights Reserved. Tems of Use Privacy Center Accessibility 5:05 5/9/20 DELL F2 F3 F4 FS F6 F7 F8 F9 F10 F11 F12 PrtSc Insert Delete %23 & Num Lock Backspace 5 8 T CU D F K Enter く0Profiles 202 X sac/10062554#/10062554/7/-1 hment Score: 3 ion 8 of 10 > Macmillan Learning F3 Tab Window Help E Experiment 11 - Per X D tv mass of KBr : mass of water: C 78.8% $ 4 85 A 0.600 m aqueous solution of KBr has a total mass of 88.0 g. What masses of solute and solvent are present? Q F4 R FO % 5 V F5 11_Melton_Keely - x | T 6 34,121 X MacBook Air F6 Y G I H 5 & 7 B N F7 #06 NEW U 8 Resources W M DII F8 1 K X X ( 9 H F9 0 48% Question 8 of Give Up?. L -0 (((( F10 P V 1 I command option Reminders pill Hint 10 F11 a 8 [ ? 1 + 11 Ch }A 30 mL sample of vinegar is titrated with 39 mL of 0.5 N Sodium Hydroxide. What is the normality of the acetic acid (CH3COOH) in vinegar? Atomic Weights :Sodium - 22.99Oxygen - 15.999Hydrogen - 1.008 Enter numerical value only; round off to 4 decimal places if necessary
- What type of chemical analysis would you use for the following? 1. 500 milligrams of ascorbic acid in vit. C 2. determination of sodium, glucose, alkaline phosphate, and others in a blood analysis 3. four percent calcium and two percent iron is found in an analysis of pineapple juice [Spectroscopy, gravimetric analysis, volumetric analysis, electroanalytical methods, OR chromatography]A fluoridated water supply contains 3 mg/L of F-. What is the maximum amount of Ca 2+, expressed in grams per liter, that can exist in this water supply?1a) 0.1% = ? ug/ml? Only include the number and not any units b) What is the concentration of your stock in ug/ml? Only include the number and not any units
- 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 t(CH3COOH in Abdo vinegar has a volume of one milliliter if you know that the volume of 33 milliliters of sodium hydroxide (0.1M) and C 60 - HAC * 10 as a server 0 200 mg 310 servers O more e8mgExactly 1.00 grams of granular table salt was dissolved in deionized water up to 500 mL. An aliquot of 20 mL was titrated with AgNO3 (T = 8244 mg/mL) and consumed 46.60 mL to reach end point. If the impurities are just water, calculate the percent Moisture. Ans in 1 sig figure. *