Which of the following substances would be least likely to dissolve well in water?
ОКСІ
O NCI
O Cl2
HCI

Iknow #2 is d. i just need to know why

Agas diffuses 1/7 times faster than hydrogen gas (h2). what is the molar mass of the gas? 100.10 g/mol 98.78 g/mol 86.68 g/mol 79.98 g/mol

What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures