There are 2.3 moles (because of significant figures)
To calculate the number of molecules ch3cooh in a given amount of vinegar, we first need to determine the amount of ch3cooh in the solution by multiplying the percent <span>ch3cooh with the sample amount. Then, convert g to moles and use avogadro's number. We do as follows:
41.9 g vinegar solution ( .05 g </span><span>ch3cooh / g vinegar solution ) (1 mol / 60.05 g ) ( 6.022x10^23 g / 1 mol ) = 2.1x10^22 molecules </span><span>ch3cooh</span>
Explanation: We are given a chemical reaction and we need to balance it.
Balancing a chemical reaction means that the total mass on the reactant side will be equal to the total mass on the product side. For this, we need to balance the number of atoms on both the sides.
The given balanced chemical reaction follows:

By Stoichiometry,
4 moles of Ammonium phosphate reacts with 3 moles of lead (IV) nitrate to produce 1 mole of lead (IV) phosphate and 12 moles of ammonium nitrate.