Suppose 20 grams of a water-soluble solid is dissolved in on liter of water. The molar mass of the solid is 100 g/mol. Which methods will probably produce a 0.2 M solution the fastest? 1. placing 20 grams of powder in hot water and then stirring. 2. Placing 100 grams of small crystals in warm water and the stirring. C. Placing 100 grams of powder in ice water and then stirring. D. Placing 20 grams of large crystals in hot water and then stirring.

Imagine that a new planet is discovered with two moons of equal mass: moon a and moon b. the mass of the new planet is greater than the combined mass of its moons. moon a is farther away from the new planet than moon b. what is the planet's gravitational pull on moon a compared to the planet's gravitational pull on moon b? the planet's gravity repels moon a with a greater force than it repels moon b, which is why moon a is farther away. the gravitational pull on moon b is greater than on moon a because moon b is closer to the new planet than moon a. the gravitational pull on moon b is greater than on moon a because moon b is farther away from the new planet than moon a. the gravitational pull on moon a is the same as the gravitational pull on moon b because distance does not affect the planet's gravity.