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

Let E and F be independent events in a sample space S with Pr[E] = 0.4 and Pr[F] = 0.2. Find Pr[EUF] A.0.60 B.0.52 C.0.40 D.0.32 E.0.08

if x = -3 calculate the value of: x3 + x

What phylum has animals with soft bodies, and most of them have shell-like coverings?

A straight line has an equation y= 4x=5 Write down the equation of the straight line that is parallel to y=4x-5 and passes through the point (0,3).

A non-metal usually forms 2 covalent bonds in its compounds.How many electrons will it take in its valence shell？

what would happen if the chromosome number were not reduced before sexual reproduction?

In class 6, 80percent of the children like crisps. 75percent of the children who like crisps also like chocolate. In class 6 what percentage of the children lik

plz help me solve this question how many remain when 87 is divided by 9

solve for 3x+9=44-2x

which element can become stable by losing 1 electron