A chemist prepares a solution of sodium thiosulfate (Na, S,0,) by measuring out 1.2 g of sodium thiosulfate into a 400. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's sodium thiosulfate solution. Round your answer to 2 significant digits. molL Explanation Check O 2022 McGraw Hill LLC. AIl Rights Reserved Terms of UseI Privacy Center AccWesibil 80°F Cloudy DELL pgUp Delete PrtScr Insert F11 F12 F9 F10 F8 F7 F6 F5 F4 F3 F2 Backspace の

A chemist prepares a solution of sodium thiosulfate (Na, S,0,) by measuring out 1.2 g of sodium thiosulfate into a 400. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's sodium thiosulfate solution. Round your answer to 2 significant digits. molL Explanation Check O 2022 McGraw Hill LLC. AIl Rights Reserved Terms of UseI Privacy Center AccWesibil 80°F Cloudy DELL pgUp Delete PrtScr Insert F11 F12 F9 F10 F8 F7 F6 F5 F4 F3 F2 Backspace の

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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O CHEMICAL REACTIONS Calculating molarity using solute mass earch A chemist prepares a solution of barium acetate (Ba flask to the mark with water. Calculate the concentration in mol/L of the chemist's barium acetate solution. Round your answer to 3 significant digits. 00 mol/L Explanation Check C Ease RK- burial Sent papers to M. Kon WE burial go ahead HE Turner Batavia Justin Sarith x10 (Ba(C₂H₂O₂)₂) by measuring out 24.6 g of barium acetate into a 100. mL volumetric flask and filling the X Ś 0/5 Christopher Madull SM - set up appt for Jessica V ? 000 18 Ar B- © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility Life Plans anteatx.com SLEDER
Question 6 a,b,c
HQ12.22 X Answered. 1 attempt left Find the volume of HCI gas at STP required to prepare 3.50 L of a 0.100 m HCI solution (assume water density = 1.00 g/mL). Numeric answer 8.68 X X Answered - Incorrect Done
Find the percent by mass of sodium chloride in a 1.20 M NaCl solution. The density of the solution is 1.07 g/mL. [ΨΕΙ ΑΣΦ esc Submit Provide Feedback ! 1 Request Answer F1 A @ 2 F2 W S ? #3 80 F3 % E S4 $ D a F4 R % 5 F 2 F5 MacBook Air T 6 F6 G & < 7 Y
Find grams of solvent in a 5.6% mass of solutions of X that has 22.3g(X) g(soltn)= g( )+g( ) --> g( ) = g( )–g( ) 5.6 % mass X means: ____g(X) ⇔ ____g(________) 22.3 g(X) × ______g(soltn)/________g(X) = ______g(soltn) --> _____g(soltn) – _____g(X)=______g(solv)
Using molarity Calculate the volume in liters of a 0.201 mol/L barium chloride solution that contains 425. mmol of barium chloride (BaCl₂). Be sure your answer has the correct number of significant digits. OL Explanation Check 0 X S MacBook Air C © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Ad
You are asked to prepare a 1.000 L solution of 4.5 M you commit a user error while preparing this solution. Assumed volume Volumetric error Preparation details Added water 2.0 cm above the line, which corresponds to 8.2 mL (0.0082 L) additional solution volume C6H12O6 (glucose; molar mass = 180.16 g/mol) in a lab by dissolving 811.0 g of glucose in water. Consider the following two scenarios in whic Prepared in a beaker Prepared in a volumetric flask 1.000 L You add the glucose to a volumetric flask and then add water until it dissolves. The water bottle you are using has a worn tip, and you inadvertently add too much water such that the meniscus is above the line. The diameter of the neck of the volumetric flask is 2.29 cm. 811.0 g glucose Concentration: You decide to evaluate and compare the errors you made while preparing the solutions using the different methods. Calculate the actual concentrations of the intended 4.5 M glucose solutions prepared by each method based on their…
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QUESTION 6 If a student wants to make 160.0 mL of a 1.09M stock solution of MNCI 2, how many grams of solid, anhydrous manganese (II) chloride do they need to use? O 1.39 g 21.9 g 802 g 15.3 g 722 g QUESTION 7 Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All Answe
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Using molarity to find solute Holes A chemist adds 470.0 mL of a 0.212 mol/L potassium dichromate (K₂Cr₂O₂) solution to a reaction flask. Calculate the millimoles of potassium dichromate the chemist has added to the flask. Be sure your answer has the correct number of significant digits. mmol Explanation Check X Ś Graw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibilit