You have 1.2 x 10^25 particles of NiCO3. How many grams are present?

How many moles are equivalent to 55.5g of nano3

Find the number of moles of argon in 364g of argon.

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.