How to prepare buffer stock solution
The molecular weight of sodium hydroxide is 40.00. How many grams would you need for 150 ml of a 1mM solution? A buffer stock solution is supplied as 50X concentration and you will need 10 liters at 1X, how would you prepare this solution?
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You only wish to add 2µL of vincristine solution to the cells. What concentration must you make the stock solution of vincristine to make the 2uL addition?
To make up the solution of phosphate buffered saline (PBS). How many grams of each will you require to make up 500mL of PBS?
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The molecular weight of sodium hydroxide is 40.00. How many grams would you require for 150 ml of a 1mM solution?
The molecular weight of anhydrous calcium chloride is 110.99. How many grams do you need for 100 ml of 50 mM calcium chloride?
You require to make the stock solution of medium for the culture cells, which normally includes liquid salt solution and bovine serum.
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What concentration must you dilute stock to so that you only have to add 2uL of Arsenic to your 1mL of cells to have 5nM concentration of Arsenic?
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