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

solve the inequality, -3 < n -8

When 4.0 mol H2O react with 4.0 mol Al in the reaction below, 2.7 mol of Al are used up in the reaction. How many moles of Al are left over unreacted? 2 Al + 3

Robert hits his kindergarten teachers arm to get his attention even when the teacher busy with other children the teacher documented that this occurs about eigh

People are empowered when they feel self-determination, meaning, competence, and impact regarding their role in the organization. a. True b. False

Help me with this question

An area recently vacated by glaciers will have a. low species richness. b. high species richness. c. a variety of ecological niches. d. high biological dive

If an author with the above credentials wrote an article titled conducting primary research would you consider it a credible source

change of state that occurs when hailstones form

Which set of coefficients correctly balances the following chemical equation?___H2SO4 + ___ LiOH -> ___ Li2SO4 + ___ H2O 1, 1, 1, 1 1, 2, 1, 1 1, 2, 1, 2

ƒ(x) = 2x g(x) = 2x Which value(s) of x make ƒ(x) = g(x) a true statement? If necessary, you may choose more than one answer. 0