A tank contains 250 L of argon gas. The pressure is 8790 kPa and the temperature is 23*C. How many moles of argon are in the tank?

Agood hypothesis includes which of the following? a: prediction b: data c: uncertainty d: conclusion

Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?

He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98