# Calculate the mass of 1.23×1024 helium atoms. express your answer in grams of helium.

The search for the correct answer in this moment is very easy. clickanswer.us provides accurate question and answer services. we offer a concise answer key that is complete with the discussion. We offer a variety of answer keys that span from elementary, junior high and upper level schools. subjects we provide such as mathematics, physics, biology as well as economics, history, and others. Below are the questions and answers that have been summarized from numerous sources available from the web.

READ MORE :  Nutritionists recommend that 45 to 65 percent of a person’s daily calorie intake should come from _____.

## Question:

Calculate the mass of 1.23×1024 helium atoms. express your answer in grams of helium.

The mass of atoms of He is 8.16 grams.

According to the mole concept,

6.023 atoms = 1 mole

From the question,

atoms = moles

atoms = 2.04 moles

Mole =

weight = moles molecular weight

Mass of 2.04 moles of He atoms = 2.04 4

Mass of 2.04 moles of He atoms is 8.16 grams.