250 mL of 0.5 M NaOH was added to 500 mL of 1 M HCl. The number of unreacted HCl molecules in the solution after complete reaction is ___________ $\times$ 1021. (Nearest integer)(NA = 6.022 $\times$ 1023)

Question

250 mL of 0.5 M NaOH was added to 500 mL of 1 M HCl. The number of unreacted HCl molecules in the solution after complete reaction is ___________ $\times$ 10²¹. (Nearest integer)

(N_A = 6.022 $\times$ 10²³)

Correct Answer

226

Solution

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