Question

You are working in a lab and wish to test whether cilantro has antibacterial properties. You have bought 0.3 pounds of cilantro (1Kg = 2.2 pounds). You need to make a stock solution of a concentration of 15 g of cilantro per 100 mLs of water. You would like to use all the cilantro you bought. How many liters of solution would you be able to make? _____ liters (use 1 significant figure).

You next test the antibacterial effect of cilantro on 13 different species of pathogenic bacteria related to foodborne diseases and hospital infections. For each bacterial broth, you add 3.7 cl of the cilantro solution you just made. How many more tests would you be able to perform with the leftover solution? _____ tests

Answer 1

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