What is the mass of nacl required to make 150 grams of a 12% solution of nacl in water?

13 grams
18 grams
22 grams
32 grams

Find the protons, electrons and neutrons for strontium with a mass of 83

Part of molten rock at mid-ocean ridges

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.