2 years ago

How can we use the mole to convert between the mass and the volume of a substance?

Chemistry

1 answer:

aleksandr82 [10.1K]2 years ago

3 0

Answer:

1mole= the ar/mr of substance and 1mole=24dm^3 of any gas at room temp

Explanation:

You might be interested in

The following chemical equation is unbalanced. When the equation is balanced, what is the coefficient for pure calcium (Ca)? A.

erik [133]

<span>3Ca + 2AlPO4 -> 2Al + Ca3(PO4)2 . . .the coefficient for Ca is 3.</span>

5 0

2 years ago

Read 2 more answers

2. Using the following data, calculate the average atomic mass of magnesium (give your answer to the nearest

Savatey [412]

Answer: 24.309amu

Explanation:

4 0

2 years ago

Calculate the pH of a 0.50 M HIO. The Ka of hypoiodic acid, HIO, is 2.3x10–11.0.305.325.479.474.80

never [62]

Answer:

pH = 5.47

Explanation:

The equilibrium that takes place is:

HIO ↔ H⁺ + IO⁻

Ka = $\frac{[H+][IO-]}{[HIO]}$ = 2.3 * 10⁻¹¹

At equilibrium:

[HIO] = 0.5 M - x

[H⁺] = x

[IO⁻] = x

<u>Replacing those values in the equation for Ka and solving for x:</u>

$Ka=\frac{x^2}{0.5-x}=2.3*10^{-11} \\x^2=(2.3*10^{-11})(0.5-x)\\x^2=1.15*10^{-11}-2.3*10^{-11}x\\x^2+2.3*10^{-11}x-1.15*10^{-11}=0\\x=3.39*10^{-6}$

Then [H⁺]=3.39 * 10⁻⁶, thus pH = 5.47

7 0

3 years ago

Bari oxit có công thức hóa hóa học là BaO . vậy bari oxit được tạo nên từ các nguyên tố

Softa [21]

Answer:

Bari oxit được tạo nên từ các nguyên tố Bari (Ba) và Oxi (O)

Explanation:

6 0

2 years ago

Why is there a difference in the conductivity of pure solid NaC1 and of the 1.0 M NaC1 soulution

Basile [38]

That would be cause part of the sodium is pure and that means it still kind of has it properties when it was an element and that its i think.

7 0

3 years ago