Hydrochloric acid has the chemical formula HCl. A certain quantity of hydrochloric acid has 2.39x1024 atoms. How many moles of hydrochloric acid is the sample?

The distance from the sun to the earth would be which phrase best completes the sentence

Suppose 0.510 g of a gas occupies a volume of 0.175 L at a temperature of 25.0 oC is held at a pressure of 1.000 atm. What is the molar mass of the gas? Express your answer in g/mol. 2b) A 1.00 L sample of dry air contains 0.0319 mol N2, 0.

What is one major difference between volcanic activity on Earth and volcanic activity on Mars, Venus, and the moon? Explain.

How do you convert from Fahrenheit to Celsius temperatures

What do proteins act as?

Practice of leaving the stalks of crops in the ground to anchor topsoil

Potassium (K) has an atomic number of 19. It often forms an ion by losing 1 electron. How many electrons would the ion have?

A sample of wood that originally contained 100 grams of carbon-14 now contains only 25 grams of carbon-14. approximately how many years ago was this sample part of a living tree?

Metalloids are border of metals and non metals why

In electroplating, how should the object that will be plated be connected in the electrolytic cell? It should be the cathode, where metal atoms are reduced to metal ions. It should be the cathode, where metal ions are reduced to metal atoms.