How much faster does oxygen (O2) effuse than nitrogen (N2) at the same temperature?

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

In which region is the substance in both the solid phase and the liquid phase? 1 2. 3 4 mark this and return save and exit next

Asolution of naoh has a concentration of 25.00% by mass. what mass of naoh is present in 0.250 g of this solution? use the periodic table in the toolbar if needed. 0.0625 g what mass of naoh must be added to the solution to increase the concentration to 30.00% by mass? g