How many grams of H2SO4 are necessary for the preparation of 0.175 dm3 of M...

JAMB 1992

How many grams of H₂SO₄ are necessary for the preparation of 0.175 dm³ of M 6.00 M H₂SO₄?

(S = 32.06, O = 16.00 H = 1.00)

A. 206.0 g
B. 103.0 g
C. 98.1 g
D. 51.5 g

WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now

WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now

Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts

Correct Answer: Option B

Explanation

1 mole of H₂SO₄ ≈ 98 gms
0.175 dm³ of 6.0 m H₂SO₄
1000 cm³ ≈ dm³
(0.175) / (1000) of 6.0 m H₂SO₄
0.000175 x 6 x 98 ≈ 0.1029 gms
1 dm³ - 1000 cm³
∴ 0.1029 x 1000 = 103 gms

Previous Next

Go back to Chem classroom

Report an Error Ask A Question Download App

Your School's Whatsapp Group - Join Us now

Contributions ({{ comment_count }})

Please wait...

{{ settings.no_comment_msg ? settings.no_comment_msg : 'There are no comments' }}

Quick Questions

if 5^(2x)=125 find x? Answer this

3 Answers · Mathematics · 4 days ago
how does post utme looks like and what are the subjects required for a medical student? Answer this

2 Answers · 2 days ago
What are the male and female reproductive hormones in animals? Answer this

4 Answers · Agricultural Science · 2 days ago

How many grams of H2SO4 are necessary for the preparation of 0.175 dm3 of M...

Correct Answer: Option B

Explanation

Contributions ({{ comment_count }})

Please wait...

Modal title

Report

Block User

{{ feedback_modal_data.title }}

Quick Questions

Post your Contribution

Sign In