:^
Calculate the mass of a sample of CaCl2 containing 2 mol of this substance...
Answers: 1
Chemistry, 22.06.2019 10:00
Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.
Answers: 1
Chemistry, 22.06.2019 12:00
A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?
Answers: 1
Chemistry, 22.06.2019 13:30
How many protons, electrons, and neutrons are in each of the following isotopes? a. zirconium-90 b. palladium-108 c. bromine-81 d. antimony-123
Answers: 1
Arts, 17.11.2020 01:30
Mathematics, 17.11.2020 01:30
Mathematics, 17.11.2020 01:30
Mathematics, 17.11.2020 01:30
Chemistry, 17.11.2020 01:30
Mathematics, 17.11.2020 01:30
Mathematics, 17.11.2020 01:30
Mathematics, 17.11.2020 01:30
Biology, 17.11.2020 01:30