Answer:
FALSE!
Explanation:
Gymnosperms do use seeds but are exposed like the pine cones of pines. Angiosperms still have seeds, however, they flower or fruit.
<span> Ethanol's </span>chemical<span> formula is C2H5OH.</span>Properties<span>. Pure ethanol is a flammable, colorless liquid with a boiling point of 78.5° C. Its low m</span>
Answer:
The PH of the mixture is 4.74
Explanation:
The number of millimoles of acetic acid is calculated using the formula:
No of millimoles= Molarity * Volume( in ml)
= 0.25M * 30ml = 7.5 moles
Number of millimoles of KOH is calculated using:
Number of millimoles = Molarity * Volume ( in ml)
=0.05M * 75ml
= 3.75 moles
The PH of the solution is derived using:
pH = pKa + log [salt] / acid
= ![-log [ 1.8 * 10^5 ] + log [ 3.75 mmoles/ 3.75 mmoles]](https://tex.z-dn.net/?f=%20-log%20%5B%201.8%20%2A%2010%5E5%20%5D%20%2B%20log%20%5B%203.75%20mmoles%2F%203.75%20mmoles%5D%20)
=4.74
A liquid mixture of Hydrocarbons