Sodium sulfate dissolves as follows: na2so4(s) → 2na (aq) so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

The diagrams show objects’ gravitational pull toward each other. which statement describes the relationship between diagram x and y? gravity attracts only larger objects toward one another. gravity attracts larger objects only if they are close to one another. if the masses of the objects increase, then the force between them also increases. if distance between the objects increases, then the amount of force also increases.

Amap that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.