How many moles of ions will be present in 716 ml of 0.450 m solution of sodium phosphate(aq)?

Number of moles of ions in 0.716 L of 0.450 M solution is 1.2888 moles.

Solution:

Volume of the solution 716 mL

Molarity of the solution : 0.450 M

According to reaction one mol is giving 4 moles of ions.

Number of moles of ions in 0.716 L of 0.450 M solution is =

Hence,number of moles of ions in 0.716 L of 0.450 M solution is 1.2888 moles.

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since the atomic number is the number of protons in the nucleus, as we move to the left on the periodic table, the electrostatic pull between the nucleus and the valence electron shell decreases. as we move down a group (vertical column), the valence shell energy level gets further and further from the nucleus.