Question

How many moles of Na are present in 250 mL of
0.05 M Na, so, solution?
(1) 2.5 × 102 (2) 1.25 x 10-2
(3) 1.25 x 10-3 (4) 25 × 103​

Answer 1

0.05 = n / 250* 10^-3

0.05 × 250 × 10^-3 = n

n = 1.25 × 10^-3 Answer....

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