Register
A 0.4243-g sample of CaCO 3 is dissolved in 12 M HCl and the resulting solution is diluted to 250.0 mL in a volumetric flask.How many moles of CaCO 3 are used (formula mass = 1 00.1 )?
17.7k views
3 votes
A 0.4243-g sample of CaCO 3 is dissolved in 12 M HCl and the resulting solution is diluted to 250.0 mL

in a volumetric flask.How many moles of CaCO 3 are used (formula mass = 1 00.1 )?

User Cheekujha
by
8.8k points

1 Answer

7 votes
Moles = mass / Mr
= 0.4243 / 100.1
= 4.239 x 10⁻³ mole of CaCO₃

User TomRichardson
by
8.1k points
← Prev Question Next Question →

Related questions

User Chris Jaynes
asked Mar 3, 2018 69.8k views
Find the value of: 4th root of 0.4243
Chris Jaynes asked Mar 3, 2018
by Chris Jaynes
8.1k points
1 answer
5 votes
69.8k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Other Questions

Compare and contrast an electric generator and a battery??
How do you balance __H2SO4 + __B(OH)3 --> __B2(SO4)3 + __H2O
Can someone complete the chemical reactions, or write which one do not occur, and provide tehir types? *c2h4+h2o *c3h8 + hcl *c2h2+br2 *c4h10+br2 *c3h6+br2
As an object’s temperature increases, the ____________________ at which it radiates energy increases.
Why is gold preferred as a superior metal over silver and bronze?
Link Copied!