How many grams are there in the following :
i) 2 moles of hydrogen molecule H2
ii) 3 moles of chlorine molecule Cl2
iii) 5 moles of sulphur molecule S8
iv) 4 moles of phosphorus molecule P4
Answers
Answered by
0
Answer:
Atomic mass of Cl=35.5g
∴ Mass of Cl present= 1×(2×35.5)=71g
(ii) Atomic mass of S=32g
∴ Mass of S present= 2×(8×32)=512g
(iii) Atomic mass of O=16g
∴ Mass of O present= 4×(3×16)=192g
(iv) Atomic mass of N=14g
∴ Mass of N present= 2×(2×14)=56g
Answered by
1
Answer:
1. 2 moles of hydrogen molecule H2
=2×(2×1.008)
=4.032 g
2. 3 moles of chlorine molecule cl2
=3×(2×35.5)
=213 g
3. 5 moles of sulphur molecule s8
=5×(8×32)
=1280 g
4. 4 moles of phosphorous molecule p4
=4×(4×31)
=496 g
Similar questions
English,
2 months ago
English,
2 months ago
Math,
4 months ago
English,
4 months ago
Business Studies,
9 months ago