Calculate the moles of electrons obtained from 250c of electricity ​

According to the audio, what might the weather include today? nubes sol nieve lloviznas lluvias torrenciales relámpagos

Achemist mixes 4 liters of one acid solution with 10 liters of a 40% solution, resulting in a 30% acid solution. what is the value of x, the acid concentration of the first solution

Write the digits for the following number in spanish. veinte -