The mass of the ocean is about 1.8 X 10^21 kg. If the ocean contains 1.076% sodium ion, Na+, what is the mass in kilograms of sodium in the ocean?

Calculate the oxidation number of sulfur in na2s2o5. + 5

Identify the number of protons, neutrons, and electrons in a neutral atom of each of the following (you can refer to a periodic table) carbon-12 sodium-23 silver-108 sulfur-32

Where in the world was aluminum found

Read the given equation. Na2O2 + CO2 → Na2CO3 + O2 What volume of O2 gas is produced from 2.80 liters of CO2 at STP?

Determine the molar solubility of pbso4 in pure water. ksp (pbso4) = 1.82 x 10-8. a. 1.82 x 10-8 m b. 1.35 x 10-4 m

Cyanobacteria carry out oxygenic photosynthesis producing oxygen as a byproduct from the oxidation of water, which serves as the electron donor for the light-dependent reactions. how would cyanobacteria be classified?

How would local winds be affected if water and land absorbed and released heat at the same time

What is the interaction between two or more of the same or different atoms biology that results in the formation of molecules? chemical bond adhesion cohesion electronegativity

Consider the three ligand field spectra corresponding to octahedral complexes A, B, and C, all formed from the same metal ion.

Which of the following solutions is the most acidic? all of the solutions are basic a solution with pH = 3 a solution with pH = ggh