07-04-2021
Chemistry

contestada

Use the periodic table to answer this question.
How many moles of He are in 16 g of the element?
A 4.0 mol
B 1.0 mol
C 8.0 mol
D 16 mol

Respuesta :

21ahmedfa 21ahmedfa

11-04-2021

Answer:

A. 4.0 mol

Explanation:

Divide 16 g by the molar mass of He, which is 4.0 g/mol.

16 g / 4.0 g/mol = 4.0 mol

Answer Link

Otras preguntas

In the Data Validation dialog box, you can create a ______ that will display when the cell is selected and that provides instructions to the person entering the

Salesperson Jones is going door-to-door in her neighborhood handing out fact sheets containing information on past sales in an effort to obtain new listings. Ac

To find the value of 5 − 11 on a number line, you would start at 0 and move how many units ?

By or even before 1960, Rizal was already held in such esteem that he was referred to as the Philippine national hero, even though no legislation had been passe

To overcome physical barriers to radio communication, you may need to turn your body 90 degrees or:

Alan deposited $400 in an account that pays 6% interest compounded continuously. Approximately how long will it take Alan’s money to double?

Does the Soldier have to attempt both attempts of the MDL, No if the Soldier is successful on the first attempt he/she may attempt a higher weight a) True b) Fa

You are standing 10 feet away from a tree.is a a cat up in the tree.your eyes make a 48 degree angle to look up at the cat. How high is the cat

I need all the answers

_________ materials may have strange odors and/or clouds of gas.