DokiMomo2581 DokiMomo2581

05-10-2022
Chemistry

Answered

calculate the mass of iron(iii) oxide that contains a million oxygen atoms. be sure your answer has a unit symbol if necessary, and round it to significant digits.\

Answer :

Other Questions

Calculate the mass in grams for 7 atoms of manganese (Mn) with atomic number 25 and mass number 55.

The mass of an electron is 9.11 X 10 28 g. The mass of a proton is 1,836 times more than that of the electron. Calculate the mass of the proton in grams and con

A little aluminum boat (mass of 16.5g) has a volume of 425 cm3. The boat is placed in a small pool of water and carefully filled with pennies. If each penny has

Potassium consists of 93.1% K-39 and 6.90% K-41. Calculate the atomic mass of potassium.

a type of plastic has a density of 1.2 g/cm. What would be the volume of a sheet of plastic that has a mass of 109.0 g

A stack of newspapers is burned completely to ash in a laboratory. How does the I I I I resulting mass relate to the initial mass of the stack of newspapers? O

1 4Fe(s) + 30₂(g) → 2Fe₂O,(s) Write out the equation in words, and include the state of each substance. 2 Which substances are the reactants and which ones are

Calculations on stock solutions?be sure to include the amount of water added and include all units 9. Calculate how to use the 20% stock solution of sds to make

A compound is 47.0% potassium, 14.5% carbon, and 38.5% oxygen. Its molar mass is 166.2 g/mol. What is its molecular formula?

Complete the following calculation with the correct number of significant figures. 305+954+786+3.14159=