Register
For an experiment, you need 0.10 moles of NaCl for a chemical reaction. how much NaCl must you weigh out? A. 0.14g B. 3.2 g C. 8.2 g D. 5.8 g
5.7k views
5 votes
For an experiment, you need 0.10 moles of NaCl for a chemical reaction. how much NaCl must you weigh out?

A. 0.14g
B. 3.2 g
C. 8.2 g
D. 5.8 g

User Arvind Sisara
by
7.2k points

1 Answer

1 vote
mole =mass ÷ Mr
∴mass = mole×Mr =0.10 × (23+35.5) = 5.85
the answer is D...

The Mr is obtained from the periodic table

User Okarin
by
6.7k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

8.6m questions

11.2m 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!