Elise made a solution containing 120 grams of Ammonium chloride completely dissolved in 200 g of water at 80 degrees Celsius. Which of the following is the best description of the solution?

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

The solubility of barium nitrate is 9.02 g/100 g h2o at 20°c. a 15.2 g sample of barium nitrate is added to 200.0 g of water at 20°c. is the solution saturated, unsaturated, or supersaturated? a. unsaturated b. saturated c. supersaturated

2. what two items do autotrophs take from the environment to produce their food? 3. what are the two items that are released during transpiration from leaves? 4. what are the two membranes of the system? a.what are the two stages of photosynthesis? what are the two parts of photosynthesis?