Question

Please show all work on how to get to the answer. Answers are below but need to know how to answer the questions asked.

20. How would you dilute a 1 mg/mL urea stock standard to be equivalent to a 5 mg/dL working standard?

20. make a 1/20 dilution 


Answer 1

. Img mu elrea. 5mg AL 153 Liter 20) We have We want of to make equivalent Solaton. The key is to change the concentrations to same units. Either we can convert mg to mg ML or mg to mg IL Let's convert mg to mg ML dL I dh (deciliter) 15 Liter Im2 (milliliter) ML ൽകിത്തുടങ്ങുന്നത്. എയഡ് e C I d La 100 ML so I dL IL - v - so Img ML mg I dL 100 mg IL Now dilution ratio is regt given by

AAL Боu ѕ Ł 7P 그 20 (oo mg dL we can also convert mg to dL to mg ml 5 mg 5 mg 0.05 mg ml dL 100 ML

dilution 0.05 mg 0.05 OT - bcu Tu