MyQuestionIcon

1

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

Introduction to Atomic Structure

400 mg of cal...

Question

400 mg of calcium atoms are removed from 0.1 mol of calcium and the remaining amount is allowed to react with oxygen. How many oxygen atoms are involved in the formation of calcium oxide? \lbrack N = 6 x 10 \rbrack

Open in App

Solution

Suggest Corrections

thumbs-up

0

Similar questions

40 g

of calcium was extracted from

56 g

of calcium oxide
(Atomic mass of

C a = 40, O = 16

)
i) What mass of oxygen is there in

56 g

of calcium oxide?
ii) How many moles of oxygen atoms are there in this?
iii) How many moles of calcium atoms are there in

40 g

of calcium?
iv) What mass of calcium will be obtained from

1000 g

of calcium oxide?

From 2mg of calcium 1.2 × 10¹⁹atoms are removed. The number of Gram atoms of calcium left is?

2 m g

1.2 \times 10^{19}

atoms are removed. The amount of calcium left is:
(Take

N_{A} = 6 \times 10^{23}

Q. Represent each of the following molecules using Lewis notation.
(i) Calcium and Chlorine to form Calcium chloride.
(ii) Formation of Oxygen molecule from Oxygen atoms.

Q. State the type of chemical reaction involved in given reaction,
a] Calcium + oxygen

\to

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Introduction to Atomic Structure

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Introduction to Atomic Structure

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon