Dissociation of NaCl in water is given as below,
NaCl ₍s₎ → Na⁺ ₍aq₎ + Cl⁻ ₍aq₎
According to this balanced equation the moles on RHS and LHS are as,
Moles on LHS,
NaCl ₍s₎ = 1 Mole
Moles on RHS,
Na⁺ ₍aq₎ = 1 Mole
Cl⁻ ₍aq₎ = 1 Mole
Result:
<span>When one mole of sodium chloride dissociates in water, it produces 2 Moles of Ions.</span>
Option A: one.
In a number, to determine the number of significant figures following 3 rules are used:
(1) The digits which are non-zero are always significant.
(2) Any zeros between two digits which are non-zero are significant.
(3) In the decimal portion, trailing zeros are significant.
The number is 1 carbon atom, it has one non-zero digit.
Therefore, according to rules, there is only 1 significant figure (underlined): <u>1</u>.
Answer: 2.72L
Explanation:Please see attachment for explanation
