Sample A has 2.10 moles of copper, and sample 8 has 123.3 g nickel.
Which sample has the most mass?
Which sample has the most
number of atoms?

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?

Which scientists contributed to the determination of how cfcs in clouds in the upper atmosphere could destroy ozone molecules

Ariver current has a velocity of 5km/h relative to the shore, and a boat moves in the same direction as the current at 5 km/h relative to the river. how can the velocity of the boat relative to the shore be calculated?