Register
If a sample of pure calcium (Ca) contains 4.69 x 1022 atoms of iodine, how many moles of calcium are in the sample?. A) 0.0779 mol. . B) 0.130 mol. C) 7.78 mol. D) 12.8 mol
109k views
4 votes
If a sample of pure calcium (Ca) contains 4.69 x 1022 atoms of iodine, how many moles of calcium are in the sample?. A) 0.0779 mol. . B) 0.130 mol. C) 7.78 mol. D) 12.8 mol

User Majid Darabi
by
7.9k points

1 Answer

2 votes
If a sample of pure calcium 9Ca) contains 4.69 x 1022 atoms of iodine, there are 0.0779 moles of calcium in the sample. The correct answer will be A. 
User Solidau
by
8.4k points
← Prev Question Next Question →

Related questions

User Andres Silva
asked Dec 27, 2022 89.2k views
Convert 0.0779 kg to g
Andres Silva asked Dec 27, 2022
by Andres Silva
8.8k points
1 answer
5 votes
89.2k views
User Lbolla
asked Dec 23, 2017 56.2k views
What is the mass of 5.30 × 1022 formula units of Ba(NO3)2? 0.09 g 12.0 g 23.0 g 3,130 g
Lbolla asked Dec 23, 2017
by Lbolla
7.7k points
2 answers
1 vote
56.2k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m 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
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?
What is the evidence of a chemical reaction when the fireworks go off
Link Copied!