The letter (d.) strong base or acid would be the most appropriate answer to the question above. An indicator is a strong base or acid. Indicators are strong base and acid because through this you can determine if a compound is acid or base with its color.
A solid will start to melt when it reaches its melting point. For example the melting point of Helium is -272° Celsius and the melting point of Carbon is 3500° Celsius . Helium has the lowest melting point and carbon has the highest melting point in the periodic table.
Answer:
22.5%
Explanation:
To find percentage by mass, you divide the mass of the solute by the mass of the solvent.
5.08 g/22.6 g = 0.2248 = 22.5%
I got 1.97 times 10 to the 23rd power. no idea if its right