A sample of hydrated sodium thiosulfate has a mass of 6.584 g. After it is heated, it has a mass of 4.194 g. What is the percentage by mass of water in the hydrate?

What element is used in microwave equipment?

Acetylsalicylic acid is the active ingredient in aspirin. It took 35.17 mL of 0.5065 M sodium hydroxide to react completely with 3.210 g of acetylsalicylic acid. Acetylsalicylic acid has one acidic hydrogen.

Which compound type is formed when two atoms share two electrons

Copper (II) sulfate pentahydrate, CuSO4 ·5 H2O, (molar mass 250 g/mol) can be dehydrated by repeated heating in a crucible.

What is the specific heat of a substance that absorbs 2500 joules of heat when a sample of 100 g of the substance increases in temperature from 10 °c to 70°c?

How do I find density

Which statement describes a concept included in the wave-mechanical model of the atom? 1. Positrons are located in shells outside the nucleus. 2. Neutrons are located in shells outside the nucleus. 3.

The process by which rocks are broken down into smaller fragments by the atmosphere and other factors in the environment is called?

What happens when a given amount of gas at a constant temperature increases in a volume?

Specific volume is the term used to indicate the space a weight of gas will occupy. A. True B. False