Calculate the mole fraction of total ions in an aqueous solution prepared by dissolving 0.400 moles of mgcl2 in 850.0 g of water.

What type of electromagnetic radiation has a shorter wavelength than blue light

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?