A student decomposed a 1.25 gram sample of impure kclo3 (mm=122.5) and obtained 0.32 grams of oxygen. what is the percent purity of the original sample

What was significant about the rocks Darwin found in the mountains

Pure water is neutral. What is the appropriate justification for this?

Why would you use an insoluble salt to soften water?

What kind of enthalpy change favors a spontaneous reaction?

Which of these statements about mixtures is true? Mixtures are made up of elements bonded together. Elements and compounds are types of mixtures. Pure substances are made up of mixtures combined in specific ratios.

Name the following compounds. NH4OH

How many minutes will be required to deposit 1.00 g of chromium metal from an aqueous?

Does a gas discharge tube filled with boron emit the same wavelength

What is HNO3 it's formula

Which indicator would be the best to use for a titration between 0.10 m hcooh with 0.10 m naoh? you will probably need to consult the appropriate table in the book. 1. methyl red, color change at ph 3-5 2.