List of top Chemistry Questions on Buffer Solutions asked in AP EAPCET

Solution of HCN and NaCN forms a buffer solution. \(x\) moles of HCN is required to prepare \(1.0\ \mathrm{L}\) of buffer solution of \(\mathrm{pH}=9\) using \(0.01\) moles of NaCN. What is the value of \(x\)? \[ (K_a(\mathrm{HCN})=10^{-10}) \]