Answer:
speed
Explanation:
according to your question, your answer is speed
I think this is TRUE. Ph is calculating the acidic acids in water. And you need to know the concentration of hydronium ions. Hope this helped !
A scalar is something that only has speed without a DIRECTION while a vector has direction. acceleration is a vector and mass is a scalar.
The density is about 3.88. You just have to divide the mass and the volume. You can check this on a calculator, too. Hope this helped