Chemistry - Chemical Kinetics Question with Solution | TestHub

$\frac{\text{N}}{{\text{N}}_{\text{0}}}\text{=}{\left(\frac{\text{1}}{\text{2}}\right)}^{\frac{\text{t}}{{\text{t}}_{\text{1/2}}}}\text{;}\frac{\text{N}}{{\text{N}}_{\text{0}}}\text{=}{\left(\frac{\text{1}}{\text{2}}\right)}^{\frac{\text{75}}{\text{25}}}$
$\text{N}\text{=}\text{amount}\text{at}\text{time}\text{t}$
$\text{t}\text{=}\text{total}\text{time}$
${\text{N}}_{\text{0}}\text{=}\text{initial}\text{amount}$