hcarver58 hcarver58
  • 19-10-2022
  • Mathematics
contestada

An order is received for 180 mL of a 2.5% solution to be prepared from diluting a 15% solution with water. How much of the stock 15% solution is needed?

a.
20 mL

b.
25 mL

c.
30 mL

d.
35 mL

Respuesta :

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