Which equivalence factor should you use to convert from 3.48 x 1018 atoms of magnesium (mg) to moles of magnesium? a (1 mol mg/1 atom mg) b (1 mol mg/3.48 x 1018 atoms mg) c (1 mol mg/6.02 x 1023 atoms mg) d (6.02 x 1023 atoms mg/1 mol mg)

(1.6 × 10-19)(5.0 × 106) = c × 10d identify the missing numbers below to show the result of multiplying the numbers.

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.

Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. a solution containing 3.50 g of sodium carbonate is mixed with one containing 5.00 g of silver nitrate. how many grams of sodium carbonate, silver nitrate, silver carbonate, and sodium nitrate are present after the reaction is complete?