One mole of lead weighs 207.2 grams, approximately how many atoms of lead are in one mole of lead? a
3.404 *10^21
b
3.404 * 10^23
c
6.022*10^23
d
6.022 *10^21

c. 6.022*10^23 atoms

Explanation:

According to this question, one mole of Lead (Pb) contains 207.2g. This means that the molar mass of lead is 207.2g/mol.

That is, since mole = mass ÷ molar mass

Molar mass = mass ÷ mole

Molar mass = 207.2g ÷ 1 mole

Molar mass = 207.2g/mol

Based on Avogadro's principle;

1 mole of an element = 6.022 × 10^23 atoms

Hence, one mole of lead will contain 6.022× 10^23 atoms

the correct answer is b. a strong acid completely dissociates to its ions when dissolved in water. completely dissociates to and ions. a is incorrect because does not fully ionize to and ions and some remain as the compound . c and d are incorrect because, and do not fall into the category of bronsted lowry acids. a bronsted lowry acid is a proton donor and since both molecules do not have a proton to donate they are not bronsted lowry acids. likewise,   if we use the lewis acid definition, they cannot be acids. a lewis acid is an electron pair acceptor. both and have a complete octet so can not accept any electrons which disqualifies them as acids.