Say you have a stock of 15% NaCl and need a reaction concentration of 1.2% in a total reaction volume of 25ul. How many ul of the 15% NaCl stock would you need to add to the reaction tube?
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A: Hey since you have posted multiple questions we will answer first question only . In case you want…
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A: A numerical problem based on stoichiometry, which is to be accomplished.
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A: A numerical problem based on stoichiometry, which is to be accomplished.
Q: Say you have a stock of 15% NaCl and need a reaction concentration of [x]% in a total reaction…
A: Total Volume=25μl 15%NaCl need to the reaction,
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A: Moles = Weight/ molar mass CaCO3+2HCl ———> CaCl2 + CO2 + H2O
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A: Since you have asked multiple question, we will solve the first question for you. If you want any…
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Q: Also what is the molarity of the solution described ?
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A: Given that the weight of Na2SO4 sample is 0.3512 g.
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A: Second option b. 2.38*10-5 g
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- 50.00 cm3 of a 1.5784 mol.dm-3 solution of potassium hydroxide is transferred to an empty 700.00 cm3 volumetric flask. This flask is made up to the mark with distilled water and then shaken well. The concentration of the potassium hydroxide in this second flask is:1) Commercial fuming Sulphuric acid (Oleum-H2S2O6) is 99.9% solution. Please convert it into molarity.2) Find out the Volume (dm3) of product (gas) at RTP when 0.58 M, 150 mL NaOH (aq.) reacts with 350 mL, 0.25 NH4Cl.Using the percent purity calculations, determine the percent yield of synthesis of aspirin. Part I Synthesis of Aspirin Mass of salicylic acid used (g) 2.029g Volume of acetic anhydride used (mL) 5ml Mass of acetic anhydride used (vol. × 1.08 g/mL) 5.4g Mass of aspirin synthesized (g) 3.256g Part II Melting Temperature Data Melting temperature (°C) 133°C Part III Salicylic Acid Standard Stock Solution Initial mass of salicylic acid (g) 0.210g Moles of salicylic acid (mol) 0.0147 mol Initial molarity of salicylic acid (M) 0.724 M Part III Beer’s Law Data for Salicylic Acid Standard Solutions Trial Concentration (M) Absorbance Water (mL) 1 10 0.301 0 2 7.5 0.219 2.5 3 5.0 0.163 5.0 4 2.5 0.074 7.5 Best-fit line equation for the salicylic acid standards Test of the Purity of the Synthesized Aspirin Initial mass of aliquot of product (g)…
- Eugenol, the main component of clove oil, can be prepared by heating 2-allyl guaiacol (in the absence of oxygen) to temperatures >205 °C. In practice, however, it is most cost-effective to extract eugenol from cloves, its natural source. Given a weight percentage of eugenol in cloves at 15.0%, calculate the minimum mass of cloves one needs to obtain 8.00 g of eugenol as a product. Report your answer (as a mass in grams, without units) with three significant digits.Find the mass of hydrogen gas produced by the reaction of 4.0g Al with excess sulfuric acid by using dimensional analysis. 2Al+3H2SO4-> Al2(SO4)3 +3H2What is the E-factor for a synthesis that uses a 8.00 kg reaction mixture to generate 6.00 kg of desired product and 2.00 kg of waste?
- Can 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.What is the simplest CGS unit for "poise"?ou separated acetanlide from sand and sodium chloride (NaCl) via recrystallization. You separated the recrystallized acetanilide from the dissolved NaCl using a seperatory funnel. You started the separation experiment with 4 g of an impure mixture of NaCl, sand, and acetanilide (MW= 135.17 g/mol) and you collected 3.2 g after the recrystallization experiment.Whats the percent yield?
- A double displacement reaction occurs when an aqueous solution of silver chloride (AgCl) and sodium sulfate (Na2SO4) were mixed. A white precipitate of silver sulfate (Ag2SO4) and sodium chloride are formed 3. If 85 grams of barium chloride react with 75 grams of sodium sulfate which reagent is the limiting reagent? (Show work) 4. How many moles of barium sulfate would theoretically be produced during this reaction? (show work) 5. If 12.5g of silver sulfate were actually recovered in this experiment, what is the % yield? (Show work)Fast pls solve this question correctly in 5 min pls I will give u like for sure Mass of Copper: 0.99g Mass of Aluminum: 0.35g Mass of CuCl2: 2.55g 2Al(s) + 3CuCl2 * 2H2O (Hydrate molecule) --→ AlCl3(aq) + 3Cu + 6H2O Please calculate the limiting reagent and show the steps.Please show steps and states (aq),(s).. etc thank you