Amixture in which small particles of a substance are dispersed throughtout a gas or liquid

Which type of substance ionizes partially and gives off hydrogen ions when dissolved in water? a. strong acid b. strong base c. weak acid d. weak base

Calculate the number of moles of ethane in 100 grams

When a device is used in a circuit in which the voltage is 81 v the current flowing through the device is 3 a what is the resistance of the device