mmag2681 mmag2681

02-03-2022
Chemistry

contestada

Determine the moles if given 20.3g of beryllium

Respuesta :

funmilayoadeoye100 funmilayoadeoye100

02-03-2022

Answer:

5.075moles

Explanation:

First get the molecular mass of beryllium which is 4g/mol.

Then input your given mass...

Formular for mole =mass/molecular mass

Mole=20.3g/4g/mol

=5.075moles

Answer Link

Otras preguntas

write a variable expression for this amount a number x decreased by 6

Suppose a laboratory has a 26 g sample of polonium-210. The half-life of polonium-210 is about 138 days. How many half-lives of polonium-210 occur in 276 days?

Choose the best answer that completes the sentence. your _____ reveals the attitude that you have towards a subject. a purpose b tone c audience d development

help which one is correct?????

Korey’s comic book store has been up and running for 4 years. Korey feels that his store has been successful and is considering moving to a larger property to

Find the area of this trapezoid plz help

What is the main conflict in Beowulf? A. Good versus generosity B. good versus evil C. Peace versus unrest D. love versus hatred

Which best describes the items listed here? bifocal glasses efficient stove fire department Poor Richard's Almanack

Consider question 5. Which has the greater acceleration: the truck or the car? A. The truck has the greater acceleration because it has the greater mass. B. T

Which of the following defines Romeo and Juliet as a tragedy, instead of a comedy? A. a corrupted social order B. a couple in love C. a death D. lovers sep