Answer: 1. 11.04moles
2. 33.6L
Explanation:Please see attachment for explanation
Answer:
0.167
Explanation:
Molar mass of NaOH = 40
40 g of NaOH = 1 mole
5 g of NaOH = 0.125 moles
1000 ml = 1 L
750 ml = 0.75 L
Molarity = 0.125 / 0.75 = 0.1666
Approximately = 0.167
Answer:
a. Vₐ = 111.5282 + 1.29396m
b. For m = 0.100m; Vₐ = 111.6576
Explanation:
The partial molar volume of compound A in a mixture of A and B is defined as
:
Where V is volume and n are moles of a.
a. As molality is proportional to moles of substance, partial molar volume of glucose can be defined as:
Vₐ = dV / dm = d(1001.93 + 111.5282m + 0.64698m²) / dm
<em>Vₐ = 111.5282 + 1.29396m</em>
b. Replacing for m = 0.100m:
Vₐ = 111.5282 + 1.29396×0.100
<em>Vₐ = 111.6576</em>
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I hope it helps!
As we know, Number of protons = Atomic Number
So,
And, Atomic mass = Number of protons + Number of Neutrons (N)
therefore ~
Number of Neutrons = 19
MgCl₂ = Mg²⁺ + 2Cl⁻
Mg²⁺ + 2e⁻ = Mg⁰
2 moles of electrons