What will the percent yield of a reaction be if the theoretical yield is 40.5 g Cu and experimentally a yield of 38.7 g Cu was measured?

How many moles are in 250 grams of tungsten (w)? * 4.4x10^23 moles 4.2x10^23 moles 0.7 moles 1.4 moles

98 ! and brainliest plz ! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?

Explain what happens at the saturation point when adding salt to water at room temperature.