Did you report your data to the correct number of significant figures? Volume sodium carbonate (mL) 98.0 Molarity sodium carbonate (M) 0.20 Volume calcium chloride (mL) 100.0 Molarity calcium chloride (M) 0.20 Observations it seemed like the mixture got like a white/grey precipitate form Mass filter paper (g) 0.25 Mass filter paper + precipitate (g) 5.30 Calculated Observed mass calcium 3.62 carbonate (g) Identify limiting reactant Sodium carbonate v Expected mass calcium 2.1 MY NOTES carbonate (g) Percent yield (%) 57.5 How to calcuIAte theoretical yieid and percent yield

Did you report your data to the correct number of significant figures? Volume sodium carbonate (mL) 98.0 Molarity sodium carbonate (M) 0.20 Volume calcium chloride (mL) 100.0 Molarity calcium chloride (M) 0.20 Observations it seemed like the mixture got like a white/grey precipitate form Mass filter paper (g) 0.25 Mass filter paper + precipitate (g) 5.30 Calculated Observed mass calcium 3.62 carbonate (g) Identify limiting reactant Sodium carbonate v Expected mass calcium 2.1 MY NOTES carbonate (g) Percent yield (%) 57.5 How to calcuIAte theoretical yieid and percent yield

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...

See similar textbooks

Similar questions

Question 31 of 32 What volume in of a 0.32 MMg(NOs) solution contains 45 g of Mg(NOs): ? STARTING AMOUNT ADD FACTOR ANSWER RESET *( ) 140 0.097 148.33 1 45 0.95 10 6.022 x 1023 0.30 0.32 86.32 210.34 M Mg(NO:)2 mol Mg(NOs) mL g Mg(NOs)/mol g Mg(NO:)2
4) did i do this right?
I need help calculating the "titre" for both trials please (shown in the first picture).
Make sure answer has correct significant digits
In the lab, you used 2.0 mM FD&C Red Dye No. 40 solution. How much solid dye, molar mass 496.42 g/mol, should be dissolved to make 6.30 liters of 6.39 mM FD&C Red Dye No. 40 solution? Hint, 2.0 mM is 0.0020 M. 81.09 g 0.05004 g 0.8477 g 19.98 g 40.26 g
The question asking the ‘concentration’ but the solution just showing the ‘number of moles’. Did I mislead some concept???
100 90 NANO 80 70 CaCl, Pb{NO)2 60 50 40 KCI NaCl 30 20 KCIO, 10 Ce,(SO)a o 10 20 30 40 50 60 70 80 90 100 Temperature (°C) Using the solubility curves above, how many grams of KCI will dissolve in 50 grams of water at 50 degrees Celsius? O 27 8 9 grams 21 grams 19 grams Solubility (g of salt in 100 g H,O) KNO3 K,CrO,
QUESTION 5 Calculate the molarity of a solution made by dissolving 11.1 g CaCl2(s) in water to make 400. mL of solution. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BI US Paragraph Arial 10pt > I!!
Calculations for Part A Mass of oxalic acid used (g) Moles of oxalic acid (H₂C₂04-2H₂O) used (mol) Moles of OH which reacted (mol) Final reading of buret (mL) Initial reading of buret (mL) Volume of NaOH used (mL) Molarity of NaOH solution (M) Trial 1 (practice run) 0.1825 37.25 0.61 Trial 2 0.1893 20.00 0.49
What products would form from the reaction shown below? H. HO. TWO PRODUCTS HO, HO, HO. OH но. OH OH
Exam 2 [References] Question 1 3 pts Use the References to access important values if needed for this question. Question 2 6 pts In the laboratory you dissolve 14.1 g of chromium(III) nitrate in a volumetric flask and add water to a total volume of 125 . mL. Question 3 6 pts What is the molarity of the solution? | M Question 4 3 pts Question 5 6 pts Submit Answer Try Another Version 1 item attempt remaining Question 6 4 nts
Known Molarity of NaOH (from the bottle), M 0.DLO897moilk Trial 1 Trial 2 Trial 3 Volume of vinegar in flask, mL 10.00 mL 10.00 mL 10.00 ml Volume of vinegar in flask, L (watch sig fig) Just change mL above to L 13005 ML 15.29mL 549ML 15.29ML Final burette reading, mL 251 mL 2077ML Initial burette reading, mL Volume of NaOH used, mL (subtract initial from final) Molarity of HC2H3O2, M (calculate this below for all 3 trials, then write answers in the boxes) Average Molarity of HC2H3O2, M Show your Molarity calculations for all three trials below. Watch the Post lab video for instructions. Put the final answer for molarity of the vinegar in the table above. It will be a small number. (trial 1) (trial 2)