REDUCTION OF BENZIL USING SODIUM BOROHYDRIDE: (95% ethanol was used in this process)

Based on the masses and data provided in the picture calculate and explain:

-the limiting reagent

-the theoretical yield

-the percent yield

*please be sure to explain where the numbers are coming from- as I am a little confused as to how to find the limiting reagent and theoretical yield*

Additional information such as chemical equation is provided in subsequent picture.

 

Transcribed Image Text:

masses 125-ml Erlenmeyer flask = 83,659 watch glass - 63.821g Benzil = 0.9749 NaBH4 = 0.2129 mass of product + watch glass after drying = 64.485g melting point of product = 135-139°C. melting point of product + benzuin (mixecl mp) = 133-135°C melting point of product + meso-hydrobenzoin = 136-138 °C major product = meso-hydro benzoin calculate: - limiting reagent theoretical yield percent yield masses 125-ml Erlenmeyer flask = 83,659 watch glass - 63.821g Benzil = 0.9749 NaBH4 = 0.2129 mass of product + watch glass after drying = 64.485g melting point of product = 135-139°C. melting point of product + benzuin (mixecl mp) = 133-135°C melting point of product + meso-hydrobenzoin = 136-138 °C major product = meso-hydro benzoin calculate: - limiting reagent theoretical yield percent yield

Answer rating: 100% (QA)

Benzil 0974g Moles of Benzil 21022 000463 moles Limiting reagent is benzil since NaBHy is ta... View the full answer