Question

molar masses for the first 20 elements

Answer 1

Answer:

Number Symbol Name Atomic Mass

(amu, g/mol)

1 H Hydrogen 1.00797

2 He Helium 4.00260

3 Li Lithium 6.941

4 Be Beryllium 9.01218

5 B Boron 10.81

6 C Carbon 12.011

7 N Nitrogen 14.0067

8 O Oxygen 15.9994

9 F Fluorine 18.998403

10 Ne Neon 20.179

11 Na Sodium 22.98977

12 Mg Magnesium 24.305

13 Al Aluminum 26.98154

14 Si Silicon 28.0855

15 P Phosphorus 30.97376

16 S Sulfur 32.06

17 Cl Chlorine 35.453

18 Ar Argon 39.948

19 K Potassium 39.0983

20 Ca Calcium 40.08

Answer 2

Answer:

☃️QUESTION☃️

⠀⠀⠀⠀⠀⠀⠀⠀⠀

• Molar masses for the first 20 elements

⠀⠀⠀⠀⠀⠀⠀⠀⠀

☃️ANSWER☃️

Atomic no. Elements⠀⠀ Molar mass

1.⠀⠀⠀⠀⠀⠀Hydrogen(H)⠀⠀⠀1.00797

2.⠀⠀⠀⠀⠀⠀Helium(He)⠀⠀⠀⠀4.00260

3.⠀⠀⠀⠀⠀ Lithium(Li)⠀⠀⠀⠀⠀6.941

4.⠀⠀⠀⠀⠀⠀Beryllium(Be) ⠀⠀⠀9.01218

5.⠀⠀⠀⠀⠀⠀Boron(B)⠀⠀⠀⠀⠀⠀10.81

6.⠀⠀⠀⠀⠀⠀Carbon(C)⠀⠀⠀⠀⠀12.011

7.⠀⠀⠀⠀⠀⠀Nitrogen(N) ⠀⠀⠀⠀14.0067

8.⠀⠀⠀⠀⠀⠀Oxygen(O)⠀⠀⠀⠀⠀15.9994

9.⠀⠀⠀⠀⠀ Fluorine(F) ⠀⠀⠀⠀⠀18.998403

10.⠀⠀⠀⠀⠀Neon(Ne)⠀⠀⠀⠀⠀⠀20.179

11.⠀⠀⠀⠀⠀Sodium(Na)⠀⠀⠀⠀⠀22.9897

12.⠀⠀⠀⠀⠀Magnesium(Mg) ⠀⠀24.305

13.⠀⠀⠀⠀⠀Aluminum(Al) ⠀⠀⠀26.98154

14.⠀⠀⠀⠀⠀Silicon(Si)⠀⠀⠀⠀⠀⠀28.0855

15.⠀⠀⠀⠀⠀Phosphorus(P)⠀⠀⠀30.97376

16.⠀⠀⠀⠀⠀Sulphur(S)⠀⠀⠀⠀⠀⠀32.06

17.⠀⠀⠀⠀⠀Chlorine(Cl)⠀⠀⠀⠀⠀35.43

18.⠀⠀⠀⠀⠀Argon(Ar)⠀⠀⠀⠀⠀⠀39.948

19.⠀⠀⠀⠀⠀Potassium(K) ⠀⠀⠀⠀39.0983

20.⠀⠀⠀⠀⠀Calcium(Ca)⠀⠀⠀⠀⠀40.08

⠀⠀⠀⠀⠀⠀⠀⠀⠀

✈Formula is to be used✈

$M=\frac{m}{n}$

Here,

M=Molar mass

m=mass of a substance in grams.

n=no. of moles of a substance