Using the phase diagram for CO2, what phase is carbon dioxide in at -20°C
and 1 atm pressure?
O
A. It is in the solid phase.
O
B. It is at its boiling point.
O
c. It is in the liquid phase.
D. It is in the gas phase.

in chemistry, a solution’s concentration is how much of a dissolvable substance, known as a solute, is mixed with another substance, called the solvent. the standard formula is c = m/v, where c is the concentration, m is the mass of the solute dissolved, and v is the total volume

im not exactly sure but i think its b!

answers: to make sure that all of the broken pieces of tablet were added to the water, to allow for fair comparison of all three trials, with different particle sizes to avoid experimental error

fe 55.85 g/mol and h2o 18.02 g/mol.