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MrRissso [65]
2 years ago
10

(35 POINTSSSS)help plzzz do as much as u can

Chemistry
1 answer:
grigory [225]2 years ago
5 0

Answer:

the required anions and cations are :

<h3> cation / anion</h3>

  • Al 3+ / Cl -
  • Al 3+ / PO3-
  • Be 2+ / I -
  • Sr 2+ / F -
  • K + / N 3-
  • Na + / S 2-
  • Ca 2+ / Cl -
  • Na + / Br2-
  • Mg 2+ / S 2-
  • Al 3+ / O 2-
  • Li + / P 3-
  • Cs + / N 3-
  • K + / I -
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Answer: 250 ml of stock solution with molarity of 12.0 M is measured using a pipette and 250 ml of water is added to volumetric flask of 500 ml to make the final volume of 500 ml.

Explanation:

According to the dilution law,

C_1V_1=C_2V_2

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Putting in the values we get:

12.0\times V_1=6.00\times 500

V_1=250ml

Thus 250 ml of stock solution with molarity of 12.0 M is measured using a pipette and 250 ml of water is added to volumetric flask of 500 ml to make the final volume of 500 ml.

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