Table 4. Calculations for standardization of sodium hyroxide Trial 1 Trial 2 Trial 3 [1] Tared mass of KHC,H,0, (g) 0.374 0.325 0.357 [2] Burette reading of NaOH, initial (mL) 4.59 3.61 4.03 [3] Burette reading of NaOH, final (mL) 22.03 18.77 21.17 [4] Volume of NaOH, dispensed (mL) [5] Molar concentration of NaOH (mol/L) (2pts) Average molar concentration of NaOH (mol/L)
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- 6 A5.301 g of sample of a mixture containing MgSO, 7H,O (MM-246.5) and NaCI (MM-58.44) yielded 3.784 g a solid residue after this mixture was heated. Given this information, how many grams of sodium are in the mixture? Report the answer to 3 significant figures. Type your answer...(129) ALEKS: Calculating x + X www-awu.aleks.com/alekscgi/x/isl.exe/10_u-IgNsikr7j8P3JH-IvTqeviKFP6W0cqJcWJdIACROQwyw24GWHInCwZsOvg6oljUPZmqCsVfxIjXe3ye87. ☆ 17.4 Solubility and...18.3 Gibbs Free E.. 5.3 Enthalples of... 18.5 Gibbs Free E... Reading Schedule 19.6 Reduction Po... Y SOLUTION: The le Math 115 W-S Fall... A ALEKS-Lara Althawadi X C calculating the solubility of an X esc E O KINETICS AND EQUILIBRIUM Calculating the solubility of an ionic compound when a commo... sp Calculate the solubility at 25 °C of CuBr in pure water and in a 0.0150M CoBr₂ solution. You'll find K, data in the ALEKS Data tab. Round both of your answers to 2 significant digits. 0- solubility in pure water: solubility in 0.0150 M CoBry solution: Explanation 30 Methods for Measuring the pH of an Aqueous Slide 28 of 104 Notes Q A Z Check 2 Comments 9 == W Click to add notes S 3 C с E D 4 C R P -111+ 00 0° F 0.9 0x0 5 G Search or type URL X T 63% X EX G 6 B Y 3 010 7 H ☆ Ⓒ2022 McGraw Hill LLC. All Rights…2) As an example of precision and accuracy of data, suppose the % carbon in a single compound has been measured thrce separate times by 2 different students. The theoretical % carbon is 21.34%. Student 1: trial 1:26.11%, trial 2: 26.24% trial 3: 25.92 %, Avg - 26.09 Student 2: trial 1: 20.35%. trial 2: 22.64 % trial 3: 19.79 %. Avg = 20.93 a) Which student had the more precise data and how can you tell? b) Which student had the more accurate data and how can you tell? 3a) Calculate the % error of Student 1 data in problem 2 above. Show all work below. WATCH SIG FIGS
- Help 100% 4A To Public Health Ch x * HSC 258 - Major Projec X MindTap - Cengage Lea X C The Illustration To TH d%=55750828934189288909969212&elSBN=9781305657571&id=D1061392007&nbld=21... * Q Search th References Use the References to access important values if needed for this question. For the following reaction, 24.7 grams of sulfur dioxide are allowed to react with 9.95 grams of oxygen gas . sulfur dioxide(g) + oxygen(g) → sulfur trioxide(g) What is the maximum mass of sulfur trioxide that can be formed? grams What is the FORMULA for the limiting reagent? grams What mass of the excess reagent remains after the reaction is complete? Submit Answer4) __ H2 + O2 0 H20 HCI O Pb(OH)2 + AIBR3 + Al2(SO4)3 5) H20 + PbCl2 6). K2SO4 O KBr + 7) CH4 + O2 0 CO2 + H2O 8) _ C3H8 + 02 O2 0 СО2 + H20 9). C3H18 + O2 CO2 + H20 10). FeCl3 + NaOH Fe(OH)3 + NacS.Pasishnyk FSw 40 SI PARTICIPATION The aqueous solubility of lithium phosphate (Li,PO,) is 0.034 g per 100 mL at 18 °C. d What is the Kn of lithium phosphate at 18 °C? The molar mass of Li PO, is 115.794 g-mol-1 Answer: Ken = 2.0 x 10-9 FO How many milligrams of BaSO, (molar mass is 233.391 g/mol1) are dissolved in a 225 mL sample of saturated aqueous barium sulphate? Kp °C. = 1.1 x 10-10 at 25 Answer: mass = 0.55 mg 48 S.Pasishnyk FSw
- 7. Pls answer asap . Pls provide accurate answer. Help me thank uuu. Handwritten thank u.nt x A ALEKS вЬ Еxcel 20 х Yuzu Re x U Labflow x O COVID-1 x e Daily Cri x O Among 8 GivePu A www-awn.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNslkr7j8P3jH-liJOkWynm4w-aQ-rw-zRhgRnayfmbBs65spECOJQ0Zacn81gbBjC9 B Blackboard O Mail - Ava Schied.. O UAConnect 9 Biology Syllabus H Labflow - Courses V Explore - HogSync ? Packback O CHEMICAL REACTIONS Identifying the limiting reactant in a drawing of a mixture The drawing below shows a mixture of molecules: key carbon hydrogen nitrogen sulfur oxygen chlorine Suppose the following chemical reaction can take place in this mixture: CS,(9)+30,(9) - CO2(9)+2 SO,(9) Of which reactant are there the most initial moles? Enter its chemical formula: Of which reactant are there the least initial moles? Enter its chemical formula: Which reactant is the limiting reactant? Enter its chemical formula: Explanation Check © 2020 McGraw-Hill Educa MacBook Pro IIO My Apps 6 Schoology x 9 Vaping hez x SIS Logout E Microsoft x E Draw Conc x O World War x W Ame- Ô https://epsnj.schoology.com/common-assessment-delivery/start/5614731235?action=Donresume&submis Do Now 1/31 Balancing POS NH3(g) + O2(g) _ N2(g) + _ H,0(g) When the reaction above is completely balanced, the coefficient for NH3 will be O 2 O 3 O 4 O 5 31 P Type here to search
- 1- Calculate the humber of grams inone mole of Ca Soy.7 Hz0?2729 of Lae Chlude wor lormel in che acen Chlerida fon was in this reackion Achhn-65 (l- 35.5 CaleuloRe 0-16 2HC/ ーの Zの Ch t H.0 -12 formula Moas of Zine CMerde Zine Chle Nember f Meles in Zne Chlarde in hac Chld Rescsed OCked. Moss of Zene Ode shce Lhok wasM Inbox (21,026) - sarahnasri522 × b Answered: Determine the mass X → C < + app.101edu.co Aktiv Chemistry X b Success Confirmation of Quest x Time's Up! 2 What is the mass percent of water in Ca(NO3)₂.4 H₂O? Provide an answer to two decimal places. G Google 1 4 7 +/- 5 x + 2 3 8 % 6 9 G 0 Submit X C x 100