maryamdawood55 maryamdawood55
  • 03-01-2022
  • Chemistry
contestada

7. What is the molar mass of each of the following elements?
a) helium, He(s)
c) potassium, K(s)
b) manganese, Mn(s)
d) boron, B(s)

Respuesta :

dt33183 dt33183
  • 03-01-2022

Answer:

The molar mass of:

Helium = 4.00 g/mol

Potassium = 39.0983 g/mol

Manganese = 54.94 g/mol.

Boron = 10.81 g / mol

Explanation:

Helium = 4.00 g/mol

Potassium = 39.0983 g/mol

Manganese = 54.94 g/mol.

Boron = 10.81 g / mol

Answer Link

Otras preguntas

Help with these 4 questions please and thanks!!! 1. Find the radius of the circle x2 + 8x - 4 + y2 + 2y = 12 A. 9 B. 3 C. 5 D. 25 2. Find the center and radius
What is the domain of the this function?
Which statement best describes Washington’s economy in the decades following World War II? A. Economic activity flattened and stagnated. B. Economic activity i
A 2000 calorie diet in which carbohydrate provides 50% of the calories would provide how many grams of carbohydrate?
Read each verbal expression Then assign a variable and distribute
30.0 ml of an hf solution were titrated with 22.15 ml of a 0.122 m koh solution to reach the equivalence point. what is the molarity of the hf solution?
The national competency-based credential for entry-level early childhood educators is called?
If the [h+] of a 0.205m solution of phenol (c6h5oh) at 25ºc is 2.340 10-6, what is the ka for phenol? phenol is monoprotic.
what is 3/5 of 21? plz answer the question
Can you give me a short summary (a sentence or two) on Shakespeare’s Macbeth. And what it is.