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Answer in General Chemistry for Rethabile Ndlovu #149981

Author:
March 18th, 2023

pH is 7.00, 

how many moles of NaCN 

1.0 L of 0.5 M HCN? Ka = 6.2 x 10–10 for HCN.

1M = 49.0072 g/mol

0.5 = ( 0.5 )( 49.0072)

24.5035g

(6.2 x 10-10)(24.5035)

= (1.5192 (10-8))(1000)

= 0.000015192 moles

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