How many molecules are present in 9 g of water-A- 6-022 - 1023B- 3-011 - 1020C- 6-022 - 1023D- 3-011 - 1023

The correct option is D 3.011 Molecular Mass of water = 18g ∴ 18g = 6.022 × 10^23 molecules of H_2 O 9g=6.022/2×10^23 molecules of H_2O =3.011×10^23 molecul ...

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

Byju's Answer

Standard IX

Chemistry

Molecules and Atomicity

How many mole...

Question

How many molecules are present in 9g of water?

6.022

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

3.011

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

6.022

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

3.011

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

Open in App

Solution

The correct option is B
3.011

Molecular Mass of water = 18g
$∴$ 18g = 6.022 $\times 10^{23}$ molecules of $H_{2} O$

$9 g = \frac{6.022}{2} \times 10^{23} m o l e c u l e s o f H_{2} O = 3.011 \times 10^{23} m o l e c u l e s o f H_{2} O$

Suggest Corrections

Similar questions

How many oxygen atoms are present in 50g of $C a C O_{3}$ ?

Q. How many oxygen atoms are present in 2 gram-atoms of

O

1 mole of $N_{2}$ has _____ number of atoms

Q. The number of molecules in 89.6 L of a gas at STP are

Q. In an experiment, 16 g of oxygen gas is produced. The total number of molecules present in it is __________.

Join BYJU'S Learning Program

How many molecules are present in 9g of water?

The correct option is B 3.011 Molecular Mass of water = 18g ∴ 18g = 6.022 ×1023 molecules of H2O 9g=6.0222×1023 molecules of H2O=3.011×1023 molecules of H2O

The correct option is B
3.011

Molecular Mass of water = 18g
$∴$ 18g = 6.022 $\times 10^{23}$ molecules of $H_{2} O$

$9 g = \frac{6.022}{2} \times 10^{23} m o l e c u l e s o f H_{2} O = 3.011 \times 10^{23} m o l e c u l e s o f H_{2} O$