1) How much water must be added to 400. mL of 0.400 M ethanol solution to...

Question

Question

1) How much water must be added to 400. mL of 0.400 M ethanol solution to create a 0.0400 M solution?

2) Which solution will have the highest concentration of ions?

a) 0.100 M NH₄Cl

b) 0.100 M K₂SO₄

c) 0.100 M glucose

d) 0.100 M Na₃PO₄

e) They all have equal concentration

science chemistry

Answer 1

Answer #1

1) Here, moles of solute will not vary. Moles intial) = Moles I final) 0.4 x 400 = 0.04 x V final Imoles - Molarity 400 4o.4

Answer 2

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