biology 1827393939639

Biology
Tutor: None Selected Time limit: 1 Day

You are provided a 40g/L stock solution to make 2L of a 0.0032g/mL KCl solution.  To make this solution you will need 

 mL of stock solution and  mL of water. 
Feb 3rd, 2015

2 L * 0.0032 g /mL * 1000 mL / L = 6.4 g KCl

6.4 g KCl * 1 L / 40g = 0.16  L = 160 mL of stock solution

Rest should be water : 2000 mL - 160 mL = 1840 m water

Feb 3rd, 2015

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Feb 3rd, 2015
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