How do i find the mass of oxygen in 250 grams of sulfuric acid?

Steve works at a gas station in an urban area. He is constantly exposed to particulate material emitted from vehicles. For this reason, Steve is likely to suffer from which of these? A. asthma B. obesity C. diabetes D. hearing defect

What is the molarity of 245.0g of h2so4 dissolved in 350ml of solution

What is the study of matter called? O A. Chemistry O B. Philosophy O O C. Biology D. Physics

Dependent variables always remain the same in an experiment

If a solution of lead iodine has [i-] = 1.1x10-4 m, what is the lead (ii ion concentration at equilibrium?

During its life cycle, an amphibian lives both on land and in water.

An atom that contains 22 protons, 23 neutrons, and 22 electrons would have a mass of approximately

Compared with a ph of 7, a solution of ph 5 has what times/fraction of the hydrogen concentration?

Write a formulae equation to represent the combustion of carbon to form carbon dioxide and the thermal decomposition of magnesium carbonate

A5.00 liter ballon of gas at 25 degree Celsius is cool to 0 degrees Celsius. What is the volume (liters) of the ballon?