What term describes a mixture of 42 percent gold, 20 percent silver, and 38 percent copper?

a) solute
b) alloy
c) solvent
d) electrolyte

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

*will mark you brainliest + 15 points ** why does the equilibrium of a system shift when the pressure is increased? a. to maximize the stress on the system b. to stop restoring equilibrium to the system c. to increase the total moles of gas in the system d. to decrease the total moles of gas in the system

If a particle has z = 25 and 23 electrons, what is its charge?