B. XY Represents name male. While. XX represents female. Hope that helps
Answer:
The total mass of the reactants in a chemical reaction is conserved and will be equal to the total original mass of the products
Explanation:
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>
C) we can see Sirius as it looked 8.8 light years ago.
Answer:
The sum of the molar masses of each isotope of the element.