A scientist uses 3 g of water (H2O) in an experiment. Which option describes the first step in calculating the number of molecules in 3 g of water?(1 point)
Responses
Identify the molar masses of H and O.
Identify the molar masses of H and O.
Determine the molar mass of water.
Determine the molar mass of water.
Apply Avogadro's number, 6.022×1023
.
Apply Avogadro's number, 6 point 0 2 2 times 10 to the 23th power.
Calculate the number of moles of water.