You have a 62% dextrose solution. How many mL will give you 35 g of dextrose?
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You have a 62% dextrose solution. How many mL will give you 35 g of dextrose?
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- You have 150 g of dextrose available and you need to compound a 20% solution. If you use the entire amount of dextrose, how many mL of 20% can you make?given a stock solution of 10% dextrose, how would you make 5 mL of a 0.9% dextrose solution? find mL of stock and mL of h20From a 50% solution of dextrose, make 500 ml of a 5% solution
- 10 mL of 0.5 M CuSO₄ * 5H₂O solution from 10 M CuSO₄ * 5H₂O solutionYou want to prepare a 15 mL gel containing 0.8% (weight /volume) agarose. How much agarosedo you need to weigh to prepare the solution? Show all your calculations.Hint: Write down the units for 0.8% knowing that agarose is a powder that is mixed with aliquidYou need to make 20 mL of a 1/100 (10-2) dilution of a crystal violet solution? How much diluting fluid will be required? Note: Your answer should be in numerical format to the nearest 0.1 mL.
- How could you prepare 500 mL of a 6.0 M NaOH solution using solid NaOH pellets? What is the percent (m/v) concentration of a 6.0 M NaOH solution?What would you expect to see if you were to create a solution that has 20.0 grams of the NaCl and the solubility is 35.0 g in 100 mL? What type of solution is this? Format B I U ... >If your 16x concentrated stock solution contains 20g of NaCl per liter, how much Nacl would one liter of your working solution contain? Round your result to 2 decimal points. g of Nacl
- If 10g of salt was mixed in 1L water. What percent solution will this be.You are told to prepare 200 mL of fixative solution containing 30% formaldehyde (vol/vol), 1X glycerol and 2.5 mM sodium chloride (NaCl). You find a stock of 100% pure formaldehyde (liquid), a 10X glycerol stock (liquid), plenty of water and a stock solution of 5M NaCl. There are also all kinds of pipettes, cylinders and beakers to measure volumes. How can the fixative solution be made (describe the process, include calculation concepts)?How many moles of Nal would be found in 250mL of a 4.5 M solution? Write your answer with three digits beyond the decimal point (IMPORTANT - zeroes count as a digit) The answer is moles