Question

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.
GPT 3.5
Determine the molar mass of water.

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