A gas is collected at 22.0 °C and 745.0 mm Hg. When the temperature is changed to 0.00 °C, what is the resulting pressure?

Amass of 100.0 g of solute is dissolved in water so that 850. ml of a 0.7500 m solution has been prepared. what is the molar mass of the solute?

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

What is the mass of 8 moles of sodium atoms