Ex 4 - An Introduction to Volumetric Glassware -EDIT

EXPERIMENT 2: Preparation of ca 0.1 mol.dm3 HCI Solution Pre-calculation: mHCl solution = 1,16 x 103 x 32 = 3,712 x 10² g 100 CHCI-soluion = 3,712 x 102 36,46 x 1dm3 = 10,18 mol.dm 3 CV1 = C2V2 0,1 mol.dm-3 x 500 mL 10,18 mol.dm3 VHC-Solution = C2V2 = = 4,9 mL Task: Calculate the volume of the same to 1000 cm to make a 0.05 mol.dm3 HCl solution at room temperature. centrated HCl as from the above exp iment which can be diluted

GIVEN 5.0 mL of 2.0M barium chloride (BaCl2) 5.00 mL of sulfuric acid 5 mL of 1.0 M HCl

22:11 Question 21 of 30 Submit Determine the amount in grams of KCI that exists in 20.3 g of a solution that contains 1.14 % KCl by mass STARTING AMOUNT ADD FACTOR ANSWER RESET *( ) 23.1 0.272 g KCI 6.022 x 1023 17.8 mol KCI 74.55 20.3 %m KCI 1.14 0.014 g solution 100 g КC/mol 1 1450 0.231 Tap here or pull up for additional resources

asia Fuqua Leam X e Home-Liferay www-awu.aleks.com = CHEMICAL REACTIONS Calculating molarity using solute mass mol/L. X F 12PM SPAN 101 Instructions Explanation Check X X A chemist prepares a solution of potassium permanganate (KMnO) by measuring out 1.5 g of potassium permanganate into a 50. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's potassium permanganate solution. Be sure your answer has the correct number of significant digits. S VHL Central Code Activation X O M + 0/5 ©2023 McGraw Hill LLC. All Rights Reserved. Terms of Use Terms of Use | Privacy Center Ala: Acce Jan 1

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Trial 1 Trial 2   Initial Buret Reading 0.05 mL 0.02 mL   Final Buret Reading 25.25 mL 23.22 mL   Volume of base used       Molarity of base used 0.1045 M 0.1045 M   Volume of vinegar used 5.00 mL 5.00 mL

3:36 1 ull LTE O Send a chat What is the number of moles of glucose (C,H,206) in 0.500 of a 0.40 M solution? STARTING AMOUNT ADD FACTOR ANSWER RESET *( ) 36.04 0.020 1 0.40 0.20 1.3 180.18 0.500 6.022 x 1023 * Reflect in ePortfolio

Given: Trial 1 25.00 0.00 10.40 10.40 Trial 2 25.0 10.40 20.13 9.73 Volume of Ca(OH)2 (mL) Initial burette reading (mL) Final burette reading (mL) Volume of HCl used in titration (mL) answer in 3 significant figures. Trial 3 25.0 20.13 30.29 (a) write the neutralization reaction involved in the experiment. (b) Calculate the molarity of Ca2+ (M). Show the complete solution. 10.16

help please answer in text form with proper workings and explanation for each and every part and steps with concept and introduction no AI no copy paste remember answer must be in proper format with all working

Concentration of TZ stock solution (μMμM) 42.06

Profiles 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 }

Assay 5 KB) Page of 2 - ZOOM + 3. If a researcher starts with 3.00 mL of a 4.50 mg/mL protein solution and adds 10.0 mL of water, what is the amount (mg) of protein in the diluted solution? Next Previous awe

I need help finding the %Composition for %cychohexane and %toluene. The formula (area of peak/total area) * 100%

Data Collection Mass of the original sample of mixture (g) 1.547 Mass of recovered naphthalene (g) 0.511 Mass of recovered 3-nitroaniline (g) 0.480 Mass of recovered benzoic acid (g) 0.472 % by mass of naphthalene in original sample % by mass of 3-nitroaniline in original sample % by mass of benzoic acid in original sample Total percent recovered You find a separatory funnel set up in a fume hood. There are clearly two visible layers. Describe a method you could use to determine which layer is the aqueous layer. Normal BIIIU X2| X² | → EE E fx | ® If you had a mixture of butyric acid and hexane, how would you separate the two compounds? Normal BII|U X2 | X² | → fx |

I need help on questions 2-3?

Hello! Could you please answer this with one long dimentional analysis like I am supposed to do it? Thank you!

NaOH Concentration (M): 0.09669M   Trial 1: Inital Volume of NaOH: 0.55mL Final Volume of NaOH: 28.25 mL  Trail 2:  Intial Volume of NaOH: 18.1 mL Final Volume of NaOH: 46.1 mL   Concentration of HCl Solution Subtract the initial buret reading from the end point reading. Convert the readings to liters by dividing by 1000.     Solve this equation for the concentration of HCl:                  (CHCl)  (0.01000 liters )    =     (CNaOH)  (volume of NaOH in liters).                CNaOH is the normality of the NaOH you recorded from the bottle.       Average the two HCl concentrations.

I need help with questions 1-4? Also if I'm wrong on question 1 can you do it again? If not you can continue with questions 2-4?

Current Attempt in Progress From the curves shown in Animated Figure and using the following Equation, determine the rate of recrystallization for pure copper at the several temperatures. Make a plot of In(rate) versus the reciprocal of temperature (in K-1). (a) Determine the activation energy for this recrystallization process. (See Section FACTORS THAT INFLUENCE DIFFUSION.) (b) By extrapolation, estimate the length of time required for 50% recrystallization at room temperature, 20°C (293 K). (a) i kJ/mol (b) i days

une Emmanuel Lab Partner(s): Martin k / Martin 0 Data Sheet volume of unknown sample (mL) mass of filter paper (g) mass of filter paper + solid Ba3(PO4)2(g) Calculation: mass of solid Ba3(PO4)2 (g) 1.885 - 0.5-1.315 Calculation: molar mass of Ba3(PO4)2 (g/mol) 737.33 (3)+30.97(2)+8(16) moles of Ba3(PO4)2 Calculation: 1323C Calculation: moles of BaCl2 Stoichiometry Lab 400mL 0.57 g 0.1.885 1.329

nalysis Practice Worksheet.docx al Analysis Practice Worksheet.docx (13.5 KB) Page 1 > of 2 4. How much does a cubic meter of water weigh, in pounds? The density of water is 1.00 g/mL. SEP 10 étv MacBook Pro & 6. 7 %3D { R Y 60 * CO

phs.blackboard.com/webapps/assessment/take/take.jsp?course_assessment_id%3D 36688_1&course_id%3D_31958 1&content_id%3_1130567_1&- 8r 10 13 140 15 16 20 11 12 17 18 19 20 A Moving to another question will save this response. Quèstion 6 Select the statement that is not supported by the following equation: q=0=(mwater)(Cwater)(ATwater)+ (mmetal)(Cmetal)( ATmetal) The total change in heat is the sum of the changes in heat of water and a metal. Energy is conserved. Energy is transferred between water and a metal. Energy is lost during a calorimetry experiment. A Moving to another question will save this response. hp & %23 9. 6. 00 进3

Mass of empty weighing paper Mass of weighing paper + unknown Mass of unknown Trial 1 Trial II Trial III 0.849 2.90g 0.83g 2.879 2.04g 0.85g 2.90g 2.05g 2.06g Volume of H2SO4 20.00 mL 20.00 mL 20.00 mL Initial buret reading, Vinitial 0.5ml Final buret reading, 32.6ml V final Volume of NaOH used for titration (Vinitial - Vfinal) 32.1m 0.1ml 0.5ml 32.2ml 30.7ml 32.1ml 30.2ml