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

Stoichiometric Calculations

2 moles of ...

Question

2 moles of $H_{2}$ burns to form 2 moles of $H_{2} O$ . The mass of oxygen used up will be:

16 g

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

32 g

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

2 moles

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

4 moles

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

Open in App

Solution

The correct option is B 32 g
The burning of hydroen in presence of oxygen to yield $H_{2} O$ can be represented as
$2 H_{2} + O_{2} \to 2 H_{2} O$
Moles of oxygen used $= 1$
Hence mass of oxygen used up $= 16 \times 2 = 32 g$

Suggest Corrections

Similar questions

4 N H_{3} + 5 O_{2} \to 4 N O + 6 H_{2} O

S O_{2} + 2 H_{2} S ⟶ 3 S + 2 H_{2} O

1

S O_{2}

1

H_{2} S

3

1

S O_{2}

2

H_{2} S

3

2

H_{2} O

H_{2}

H_{2} O

O_{2}

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

C_{2} H_{2}

2 C_{2} H_{2} + 5 O_{2} ⟶ 2 {C O}_{2} + 2 H_{2} O

Join BYJU'S Learning Program