How many atoms are in 121 grams of calcium?

What causes volcanic eruptions for composite volcanoes? Can you use calcium chloride flakes on dirt road to keep the dust down? What voltage will the vapors of flammable liquids at night? What is an atmosphere probe? What shipper has tracking numbers beginning with azl? How many elements are there in lime water? What country is 50 north and 10 east? Why does the inside of the thylakoid membrane become positively charged during light-dependent reactions? What factors determine the precision of an instrument? What is the temperature that causes proteins to stop functioning? Is water vapour condensing an exothermic process? Magma that leaves a volcano vent is called? Is the highest degree of measurement latitude or longitude? What is at 21n and 40e? Who discovered that the planets travel in elliptical orbits around the Sun not circular orbits? What is the mitochondrian function? Convert 30 gram cocoa to tablespoon? Describe what takes place during cellular respiration in complex organisms? Is potassium cyanide a base or an acid? Does the force of gravity have an effect on electricity ie lighting for example?