test4261 test4261

03-02-2020
Chemistry

contestada

How many atoms are present in 20.9 g of titanium

Respuesta :

gbustamantegarcia054 gbustamantegarcia054

04-02-2020

Answer:

atoms Ti = 2.193 E23 atoms

Explanation:

1 mol ≡ 6.022 E23 atoms
mm Ti = 47.867 g/mol

⇒ atoms Ti = (20.9 g Ti)×(mol/47.867 g)×(6.022 E23 atoms/mol)

⇒ atoms Ti = 2.193 E23 atoms

Answer Link

Otras preguntas

A bullet of 10g strikes a sand bag at a speed of 100 m/s and gets embedded after travelling5 cm inside the bag.Calculate the resistive force exerted by the sand

The Mogan River is 465 miles long. The Hofman River is about 76% of the length of teh Mogan River. How long is the Hofman River?

My family took a trip last month to see the towns of Lexington and Concord. The towns were really interesting once I could visualize the battle. Students my age

I’m confused please explain

please help me find the fraction

What is the scientific formula of a carrot?

Factor the polynomial x^2+3x-10 your answer can be written as (x+A)(x+B) where A And A equals =? and B equals =?

Louise mowed a neighbor's yard to earn $25. She mowed a few more yards and earned an additional $75. She continued to mow all of the yards each week for a total

7. Which of the following is an example of a irrational number between 6 and 7? a) 217 b) 6.875 c) 6.12345... d) Both a and e) All of the above

simplify 3x times 1/x to the -4 power times x to the -3 power