2 molecules of hydrogen and 2 molecules of chlorine react to give ___ molecules of hydrochloric acid.
1
2
3
4
One molecule of hydrogen and one molecule of chlorine react to give __ molecule(s) of hydrochloric acid.
In a test, Rashi has to write the chemical equation for the formation of Hydrochloric acid. She wrote H2(g)+2Cl(g)→2 HCl(g) The teacher marked the answer wrong. Why is it so?
How many molecules of hydrogen chloride will be formed when a molecule of hydrogen reacts with one of chlorine?
To prepare 1 g of hydrogen molecules using hydrochloric acid how many grams of zinc should be taken?
Zn +2HCl ------>ZnCl2 + H2
Two molecules of hydrogen and one molecule of oxygen reacts to give __ molecule(s) of water.