Determine tres diferentes conjuntos de cantidades de soluto y volúmenes de solución que se pueden utilizar para hacer una solución cuya concentración sea 0.75 M

The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.

A50.0 ml sample of gas at 20.0 atm of pressure is compressed to 40.0 atm of pressure at constant temperature. what is the new volume? 0.0100 ml 0.325 ml 25.0 ml 100. ml

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?