MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Atomic Mass and Atomic Mass Unit

One mole of o...

Question

One mole of oxygen atom weighs 16 grams, what will be the mass (in grams) of 0.4 moles of oxygen atoms?

A

4 mole

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

0.4 mole

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C

640 mole

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

¹/₄ mole

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

Step 1:
Molar mass of oxygen is 16 g
1 mole of oxygen atom = 16 grams
0.4 mole of oxygen atom = $0.4 \times 16 = 6.4 g$
Hence, option (B) is correct.

Suggest Corrections

thumbs-up

0

Similar questions

One mole of oxygen atom weighs 16 grams, what will be the mass (in grams) of 0.4 moles of oxygen atoms?

Q. Question 1
If one mole of carbon atoms weighs 12 grams, what is the mass (in grams) of 1 atom of carbon?

Q. If one mole of carbon weighs 12 grams, what is the mass (in grams) of 1 atom of carbon?

Q. (a) Define gram atomic mass of a substance. How much is the gram atomic mass of oxygen ?
(b) How many moles of oxygen atoms are present in one mole of the following compounds ?

(i) Al₂O₃
(ii) CO₂
(iii) Cl₂O₇
(iv) H₂SO₄
(v) Al₂(SO₄)₃

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Atomic mass and atomic mass unit_tackle

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Atomic Mass and Atomic Mass Unit

Standard IX Chemistry

Join BYJU'S Learning Program

CrossIcon