At 100°C, 170 g of potassium nitrate and 30 g of sodium chloride were added to 100 mL of water. If the solution is kept at 100°C until only 50 mL of water remains, then what mass of each solid precipitates?

What woukd most likely be the transmittance at a 0.70 m solution of solute a? a) 7.6%b) 1.1%c)4.0%d)4.6%

Why is the bottom layer of a trophic pyrimid the

(05.04 mc) the table below shows the set of traits in four different beetle populations. traits in population population traits 1 brown-colored beetles, pesticide-resistant gene present 2 green-colored beetles, pesticide-resistant gene absent 3 green and brown–colored beetles, pesticide-resistant gene absent 4 green and brown−colored beetles, pesticide-resistant gene present which population of beetles is most likely to become extinct when the existing conditions change? (4 points) select one: a. 1 b. 2 c. 3 d. 4