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

A human’s knee joint is best described as

Which of the following mathematical expressions is written in standard form? A. x < y + 5B. 2x + 3y < 12 C. 2y + 6 > 3xD. 2x + 5 ≤ x - 3y - 7

What is the fourth stage of the estrous cycle where, if no pregnancy occurs a drop in hormone levels prepares the reproductive system for the estrus the first s

i need help with this

what do you think are the advantages and disadvantages watching plays in theater?

Please solve 3/5 + 7/10 - 1/2

PART B: Which detail from the text best supports the answer to Part A? A "So that when you have an island now of, I don't know, something like 10 million people

What is it called when we play two or more notes, one after another in semitones, without leaving any note in between? 1) Chromatic 2) Contrary motion 3) C ma

What is the science behind Infrared thermometer ?

find the number. 0.25 of it is 40