A student collects 25 ml of gas at 0.95 bar. What volume would this gas occupy at 101.325 kpa? There is no change in temperature or mass

Which mathematical relationship should you us to convert moles of a substance into grams

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures