PLZ HELP ME QUICK A scientist is investigating the following reaction: 2K + MgBr2 --> 2KBr + Mg If they started with 34 g of K and had an unlimited supply of MgBr2 and produced 6 g of Mg, what is their percent yield of Mg? (Round your answer to 1 decimal place).​

Need what is special about water as a compound? how does water regulate climate? what drives water evaporation?   why is the water vapor fresh water when it rises from the ocean? why might freshwater in the form of snow take longer to enter the water cycle again than liquid precipitation?   what is an aquifer? what role do people play in the water cycle? plz just answer as many as you can ! thx if you !