What is the purpose of the structure shown below

What volume of a 0.25 m solution can be made using 0.55 moles of ca(oh)2

Which strategy is an example of how companies may upgrade themselves to meet changing customer preferences? a.doing door-to-door sellingb.using billboards to advertise the productsc. making online shopping services availabled.giving discounts on products

Aflashlight battery is an example of a) potential energy b) kinetic energy c) thermal energy d) solar energy