How many molecules are in 83.2 g of chlorine gas (Cl2)? Group of answer choices
14.2 x 10^24 molecules
1.78 x 10^28 molecules
1.42 x 10^24 molecules
7.04 x 10^23 molecules

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

Asample of ammonia reacts with oxygen as shown. 4nh3(g) + 5o2(g) 4no(g) + 6h2o(g) what is the limiting reactant if 4.0 g of nh3 react with 8.0 g of oxygen? o2 because it produces only 0.20 mol of no. nh3 because it produces only 0.20 mol of no. o2 because it produces two times less no than nh3. nh3 because it produces three times more no than o2.

Given the following equation: 2a1 + 3mgcl2 --> 2alcl3 + 3mg how many moles of aluminum chloride are produced from 2.5 moles of magnesium chloride?