How many joules are required to boil 150 grams of water?
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How many joules are required to boil 150 grams of water?
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- a)Determine the amount of X (in gram) in order to prepare 100 mL of 50 mM stock solution of X. Show your work. (MW of X= 225) b)Determine the volume required (mL) from the stock solution X in (i) to prepare 500 mL of MS medium containing 5 mg/L X. Show your work.How many ml 2M NaOH would it take to neutralize 20 ml of 0.5M HCI?If a 250 ml solution of ethanol in water is prepared with 4 ml of absolute ethanol (100%), what is the dilution factor?
- What is the density of a 400 µL cell suspension given the following data?You have a 1000X stock solution of sodium chloride (NaCl). The concentration of NaCl in the stock solution is 5M. a)How would you make 300mL of a 1X solution? b)What is the concentration of NaCl in your 1X solution?Why is it important twnaimize heat loss around the distilling head (the 3-way adapter that connects the distilling flask, thermometer, and the condenser)?