Charles law states that volume of gas is directly proportional to volume of gas at constant pressure
parameters for the first instance are on the left side and parameters for the second instance are on the right side of the equation
where
V - volume
T - temperature in kelvin
T1 - 123 °C + 273 = 396 K
T2 - 468 °C + 273 = 741 K
substituting the values
V = 38.29 L
new volume is 38.29 L
Answer: Option (b) is the correct answer.
Explanation:
To find molarity, firstly we need to calculate number of moles as follows.
No. of moles =
=
=
Therefore, molratity is defines as number of moles of solute present in liter of solution.
Molarity =
=
=
Thus, we can conclude that molarity of solution is .
Answer:
672.6 grams
Explanation:
molar mass of 1 mol of C₈H₁₈ = 114 grams
so mass of 5.9mol of C₈H₁₈ = 114* 5.9= 672.6 grams
The correct answer is A. A buffer is a substance that resists small change in the acidity of a solution when an acid or base is added to the solution. Usually, a buffer involves a weak acid or a weak alkali and one of its salt.