The wheel is said as the most important and the greatest invention of all times. The most important aspect of a wheel is that it made invention of many other objects easy. It became very easy to move larger objects.
The chemical formula for calcium chloride is CaCl2. Calcium chloride contains one calcium atom that is bound to two chlorine atoms. It has a molecular weight of 110.984.
Wrtie the balanced equation for the reaction between sodium carbonate and hydrochloric acid. A B C D + A D + C B. Na2CO3 + NaCl = Na2Cl + NaCO3.Several errors. Hydrochloric acid = HCl. Formula of sodium chloride and one formula for sodium carbonate are wrong.There are tutorials on the site to help with writing formulae. When a metal carbonate reacts with acid, the products are a salt, water and carbon dioxide.rtie the balanced equation for the reaction between sodium carbonate and hydrochloric acid. A B C D + A D + C B. Na2CO3 + NaCl = Na2Cl + NaCO3.