13 POINTS AND BRAINIEST How many moles of ethanol, C2H5OH are need to prepare a 25 m solution using 1200 g water?

Which material produces static charge when rubbed ?

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth