Browse by Stream
Discuss Doubts
Home
Search for Exam, Articles, Questions
get app
Go To Your Study Dashboard
  1. Home
  2. 4g of caco3 on treatment with excess hcl produced 0.88g of co2 . what is the percentage purity of caco3 sample
# Engineering

4g of caco3 on treatment with excess hcl produced 0.88g of co2 . what is the percentage purity of caco3 sample

Answers (1)
L Lovekush Kumar Saini

Dalton's Atomic Theory -

Compounds are formed when atoms of different elements combine in a fixed ratio.

- wherein

N_{2} + 3H_{2} \rightleftharpoons 2NH_{3}

Nitrogen & Hydrogen combine in a fixed ratio to yield ammonia (compound)

 

The ratio of elements in CaCO3 :

Ca : 1, C : 1, O : 3

Molar mass = 1\times 40 + 1\times 12 + 3\times 16 = 100

CaCO_{3}\overset{\Delta}{\rightarrow} CaO + CO_{2}

    x                     0            0

    0                                    \frac{0.88}{44} mol

\\*\therefore x =\frac{0.88}{44} mol = 0.02 mol = 2g \\*\therefore \% purity = \frac{2}{4} \times 100 = 50

Similar Questions

Preparation Products

Knockout JEE Main Sept 2020

An exhaustive E-learning program for the complete preparation of JEE Main..

₹ 12999/- ₹ 6999/-
Buy Now
Rank Booster JEE Main 2020

This course will help student to be better prepared and study in the right direction for JEE Main..

₹ 9999/- ₹ 4999/-
Buy Now
Test Series JEE Main Sept 2020

Take chapter-wise, subject-wise and Complete syllabus mock tests and get in depth analysis of your test..

₹ 4999/- ₹ 1999/-
Buy Now
Knockout JEE Main April 2021

An exhaustive E-learning program for the complete preparation of JEE Main..

₹ 22999/- ₹ 14999/-
Buy Now
Knockout JEE Main April 2022

An exhaustive E-learning program for the complete preparation of JEE Main..

₹ 34999/- ₹ 24999/-
Buy Now
Exams
Articles
Questions