BRAINLIEST: A sample of crushed rock is found to have 4.81 x 10^21 atoms of gold, how many moles of gold are present in this sample?

Alculate the concentration of h3o⁺in a solution that contains 5.5 × 10-5m oh⁻at 25°c. identify the solution as acidic, basic, or neutral.a) 1.8 × 10-10m, basicb) 1.8 × 10-10m, acidicc) 5.5 × 10-10m, neutrald) 9.2 × 10-1m, acidice) 9.2 × 10-1m, basic

Which of the following describes a situation where competition between producers exists

Which type of intermolecular force is pbr3