A pure silver ring contains 4.55 x 1022 silver atoms. How many moles of silver atoms does it contain?

Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?

What is the common name for the compound shown here? enter the common name of the compound shown?

Scientists are often interested in knowing the molar heat of combustion – the heat released during the combustion of one mole of a substance. use the periodic table to find molar masses. how many moles of ethanol are present in the sample?