SOLVE THE FOLLOWING PROBLEM AND SHOW YOUR COMPLETE AND DETAILED SOLUTIONS Calculate the number of grams of Ca3 (PO4)2 and the number of grams of excess reagent and limiting reagent in each of the following: 3CaCO3 + 2H3PO4 → Ca3 (PO4)2 + 3C02 + 3H₂0 a. From 12.5g of CaCO3 and 17.3g of H3PO4.
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- In the molecular weight determination by the Dumas method, several grams of an organic liquid was drawn into a bulb. The bulb was then immersed in a water bath at 87 degrees C and kept there until all the liquid was vaporized and the air in the bulb was replaced by the vapor. The tip was then sealed shut and the bulb removed from the vapor was 36.127g; the weight of the empty (evacuated) bulb was 35.427g; the bulb’s volume was 200.0mL; room temperature was 25 degrees C, and the barometric pressure was 720 mm Hg. Calculate the molecular weight of the organic liquid. Calculate the molecular weight of the organic liquid.The following complexation reaction was carried out by using 2.5 g of cobalt(II)nitrate hexahydrate with 10.0 g of ammonium carbonate and excess of ammonia and hydrogen peroxide. Co(NO3)2.6H2O + 4NH3(aq) + (NH4)2CO3 + ½ H2O2 → [Co(NH3)4CO3]NO3 + NH4NO3 + 6H2O + NH4OH Which is the limiting reagent in the above reaction? Mention how you will identify it. 2. Write the oxidation and reduction half equations of this reaction. 3. How did Werner first explain bonding in complexes? (Refer website)I need help finding the therotical yield from this video. I got 2.49g for the answer finding the therotical yield I am i correct. please show me how to solve this molar mass 122.12 for benzoic acid the raw data is magensium ground up= 0.60 grams 10ml ehter and bromobenzene dissolved in it 3.25 grams and 2 drops of 1,2 dibromoethane this is the link to the video where it shows the expirement and the data i found https://www.youtube.com/watch?v=yol0hicBMLk
- The stock erythrosine B solution is 8.5 × 10-5 M. Calculate the volume of this solution that you must pipet into a 50-mL volumetric flask, which, when diluted to mark with deionized water, will give a final concentration of 1.7 × 10-5 M. Show your calculation setup.Cat Noir was tasked to determine the concentration of a CuSO4 unknown solution. She prepared 5 different standards of CuSO4 using the table below as her guide. She ran the standards and the unknown solution in the UV-VIS Spectrophometer, and recorded the absorbances of each solution. Show linear equation derived from calibration curve and solution to concentration of the unknown solution below. Encircle final answer. Cuvette Volume 0.5000 M CuSO4 Volume distilled H2O Absorbance 1 1.000 mL 4.000 mL 0.607 2 2.000 mL 3.000 mL 0.655 3 3.000 mL 2.000 mL 0.709 4 4.000 mL 1.000 mL 0.797 5 5.000 mL 0.000 mL 0.832 Blank 0.000 mL 5.000 mL 0.000 Unknown solution 0.684An impure sample of Na3PO3 weighing 0.1 g is dissolved in 35 mL of water. A solution containing 45 mL of 3% w/v HgCl2, 30 mL of 10% w/v sodium acetate, and 10 mL of glacial acetic acid is then prepared. After digesting, filtering, and rinsing the precipitate, 0.2857 g of Hg2Cl2 is obtained. Report the purity of the original sample as % w/w Na3PO3.
- If to a solution of NaOH, in water and ethanol (20 ° C) 3 mmol of A (106.11 g / mol) and 2 mmol of B (58.06 g/ mol) and stirred magnetically for 10 minutes. After the reaction is completed, we proceed to isolate (work- up) and purify at C (246.29 g/ mol) yielding 0.300 g of the pure product. Calculate the% return for C showing his work. please show every single step and calculations2.Acrude compound with a mass of 0.62667 g was recrystalised to give 0.1352 g of crystals . Calculate the percentage recovery .Suggest possible reasons for the low percentage recoveryCan you calculate the limiting reagent, theoretical yield and% Reaction Yield shown using reaction stoichiometry? The calculations given in the benzalacetone synthesis experiment were the volume of 3mL of benzaldehyde, 1mL of acetone and the mass of dibenzalacetone 2.69g. With this data I calculated the other data shown in the table. Thank you! Psd.Where it says " Que deseas hacer?" in the photo that is the Benzaldehyde data.
- 1) The case study screenshot has been attached down below and the last sentence of the story is written down below and answer ques a,b,c which is written down below as well step-by-step. The last sentence of the case study is to save money and had been reducing monitoring, inspections, and maintenance. a) Use the following reaction to determine how much of each product would be released if 42 000 kg (42 tonnes) of methyl isocyanate reacted with excess water. This is the reaction methyl isocyanate + water -> 1,3-dimethyl urea + carbon dioxide b) Create a list of mistakes that led to the Bhopal disaster; you should be able to find at least eight. Evaluate the list of mistakes. Identify the three mistakes you think were most significant in causing the disaster, and justify your choice in a short (2-3 senstence) statement. c) What are some reasons it would have been safer to store the methyl isocyanate in smaller containers? Identify at least three reasons.Explain why it is problematic to include a constraint such as the following in an LP model for a blending problem: Total octane in gasoline 1 blend $ divided by Barrels of gasoline 1 blended daily which is greater thanor equal to 10Suppose you reacted 0.500 g of Mg powder mixed with several acid-inactive substances and obtained 246 ml of hydrogen gas under S.T.P. conditions.What percentage by weight of the model is magnesium?