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###### Question 2 Expressing concentration in different units You have a 0.2 M solution of a compound (molecular weight 200).How many mmoles are there in the following volumes? 2 mL ii. 5 mL iii. 10 mL iv. 100 mLb) Express this concentration in the following units:mM; uguL; % (wlv); mgdL;ii. iii iv.c) How much of this compound would you have to weigh out if yOu were to make up 100 mL of the solution?If you added 5 uL ofthis solution (0.2 M) to a PCR (polymerase chain reaction) with a final volume of 10

Question 2 Expressing concentration in different units You have a 0.2 M solution of a compound (molecular weight 200). How many mmoles are there in the following volumes? 2 mL ii. 5 mL iii. 10 mL iv. 100 mL b) Express this concentration in the following units: mM; uguL; % (wlv); mgdL; ii. iii iv. c) How much of this compound would you have to weigh out if yOu were to make up 100 mL of the solution? If you added 5 uL ofthis solution (0.2 M) to a PCR (polymerase chain reaction) with a final volume of 100 AL (2 marks) How many moles would the reaction contain? (ii) What is the final concentration of this compound in the PCR assay?

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