Cobalt chloride hexahydrate has a formula weight of 237.9 g/mol. how much would you use to make 0.5 liter of a 0.3 m solution?

What is the mol:mol ratio of nonane to carbon dioxide

You can drink distilled sea water because: it contains pure salt it contains only water it contains dissolved minerals it contains a combination of pure salt and pure water

Convert the following mass of a compound into moles. 23.5g of NaCl

Which of the following substances is heterogeneous? A. 3% hydrogen peroxide B. The lint from your clothes dryer C. A copper wire D. Iron E. Baking soda

The half-life of a certain radioisotope is 8 days. How much (mass) of a 80 mg sample will remain after 24 days?

How do you know if a chemical reaction has occurred?

Why must a container or system be closed for equilibrium to be established?

What is the bond angle between the hydrogen atoms in an ammonia (NH₃) molecule?

In Experiment 1, the density of pure ethanol was found to be:Question 1 options:less than 0.793 g/mL. 0.793 g/mL. 0.999 g/mL. greater than 0.999 g/mL.

Calculate the pH of a solution that has a hydronium ion concentration of 0.0084 M