jdb7kDiso2rricr jdb7kDiso2rricr
  • 24-11-2016
  • Chemistry
contestada

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 )?

Relax

Respuesta :

scme1702
scme1702 scme1702
  • 26-11-2016
Moles = mass / Mr
= 0.4243 / 100.1
= 4.239 x 10⁻³ mole of CaCO₃

Answer Link

Otras preguntas

Name the following chemical compound b2br4 A. Boron Blrate B. Bromate boride C. Boride tetrabromine D. Diboron tetrabromine
Why does Cherry say Ponyboy and Johnny look 16? A. She is flirting with them. B. She doesn’t want to hurt Johnny's feelings.
Divide. –12 ÷ (–6) a. –18 b. 18 c. 2 d. –2
Pecifically intend for future presidents to be limited to two terms?
Explain about french revolution
The primary goal of the National Association for the Education of Young Children is to A. improve the quality of life for young children and their families. B.
which explorer served as a guide to J ohn C Fremont?
Some please help me I really need some help
The Ganges and Brahmaputra Rivers are located in which country.
what enzyme catalyzes the attachment of an amino acid to trna?