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What is the molarity of a 250. mL H, SO4 solution that was made from a 20.0 mL of a 10.0 M stock solution?
F) 0.800M
G)1.25M
H)125M
J)500. M

Sagot :

Samueladesida43idn

The molarity of a 250. mL H2SO4 solution that was made from a 20.0 mL of a 10.0 M stock solution is 0.8M.

How to calculate molarity?

The molarity of a solution can be calculated using the following expression:

CaVa = CbVb

Where;

  • Ca = concentration of acid
  • Cb = concentration of base
  • Va = volume of acid
  • Vb = volume of base

In this question;

  • Ca = ?
  • Va = 250mL
  • Cb = 10M
  • Vb = 20mL

Ca × 250 = 10 × 20

250Ca = 200

Ca = 200/250

Ca = 0.8M

Therefore, the molarity of a 250. mL H2SO4 solution that was made from a 20.0 mL of a 10.0 M stock solution is 0.8M.

Learn more about molarity at: https://brainly.com/question/2817451

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