subject
Chemistry, 28.09.2019 16:00 Destinationz

How many atoms are in a sample of copper with a mass of 18.46 grams?
2.how many formula units are in a sample of salt with a mass of 67.69 grams?
3.how many molecules are in a sample of water with a mass of 44.99 grams?
4.what is the mass in grams of 0.250 moles mg? 5.how many moles are there in 48.096 grams of sulfur?
6.what is the mass of 24.6 formula units of magnesium oxide?
7.how many molecules of dinitrogen pentoxide are contained in 123.46 grams of dinitrogen pentoxide?

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 21.06.2019 23:00
Write a brief passage describing a neutral atom of nitrogen-14 (n-14). describe the number of protons, neutrons, and electrons in the atom, where each type of particle is located, and how the terms atomic number, mass number, and atomic mass are related to the particles. use the periodic table to you. 14 protons and eletrons since its a neutral atom
Answers: 1
question
Chemistry, 22.06.2019 09:00
Chemical energy is a form of a. kinetic energy only. b. both potential and kinetic energy. c. neither potential nor kinetic energy. d. potential energy only. reset
Answers: 1
question
Chemistry, 22.06.2019 17:20
How do you know when a chemical reaction has occurred
Answers: 1
question
Chemistry, 22.06.2019 18:00
An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³
Answers: 3
You know the right answer?
How many atoms are in a sample of copper with a mass of 18.46 grams?
2.how many formula units...
Questions
question
Biology, 11.02.2021 22:00
Questions on the website: 13722363