3 years ago

Iron-58 how many protons electrons and neutrons ?

1 answer:

8 0

26 protons 32 Neutrons

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melisa1 [442]

Answer:

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Svetllana [295]

Answer:

0.0025moles

Explanation:

Molarity of a solution (M) = number of moles (n) ÷ volume (V)

According to this question, to make 250 mL of a 0.01 M solution of CaCl, the following number of moles is needed:

Volume = 250mL = 250/1000 = 0.250Litres.

Using; molarity = n/V

0.01 = n/0.250

n = 0.0025

n = 2.5 × 10^-3 moles.

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quester [9]

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