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How many moles of Na^(+) ions are in 20m...

How many moles of `Na^(+)` ions are in `20mL "of" 0.40" "M " "Na_(3)PO_(4)` .

A

0.008

B

0.024

C

0.05

D

`0.20`

Text Solution

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The correct Answer is:
B
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