How many atom are in 141g of calcium?

What is The four subjects of the Quadrivium arithmetic geometry music and astronomy were thought of as the study of and their relationship to physical space or time.? What is caused by a build up of electrons? What is the pod or seed vessel of a pea that is commonly used for food? What kind of solution would have a K value that is much greater than 1? What is the meaning of marathi name nishabh? Why is air pressure greatest at sea level? Where does the storm surge in a hurricane comes from? Can new zealand expect earthquakes volcanos or both? How are elements related to molecules? Is the astronomer branch? How are molecular formula translate into binary covalent compounds names? Which ocean did Hurricane Katrina occur on? What happens to galvanized steel skids on toboggans? What is fermentation and give some example? Why did peary and henson make 6 attempts to reach the north pole? What is the name of the organism feed through the mode of scraping? What is the importance of air circulation? What is the calorific value of naphthalene? How do scientists date the fossils and artifacts? Why does air pressure always decrease whit increasing height above the surface?