Phosphate buffer solution is purchased as a(n) 10x stock solution. The solution is more concentrated than the working stock. If
tasked with making 75 mL of a 1x solution of PBS, how many mL of the stock solution would be needed
1 answer:
Answer:
v₁ = 7.5mL
Explanation:
using the formula
m₁v₁=m₂v₂
given m₁=10x m₂=1x v₁=? v₂=75mL
10x × v₁ = 1x × 75mL
v₁ = 1x × 75mL / 10x
v₁ = 7.5mL
So, 7.5mL of 10x PBS should be added with 67.5mL of water
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