A solute is the substance to be dissolved for example sugar
The solvent is the one doing the dissolving for example water
Answer:
can change red litmus to blue litmus
Explanation:
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Surface waves arrive at a seismograph first because they are not impeded by rocks
To determine the density, we use the following formula:

mass= 2.813 grams
volume= ?
we need to first calculate the volume before we can solve for the density. since the question states that the sample has a spherical shape, we can use the volume formula of spheres to find it.

radius (r)=

=

let's plug in the values
V=

we need to change the

to

using the following conversion
1 cm= 10 mm

now we can find the density.
density= 2.813 grams/ 0.268 cm=
10.5 g/cm3
They are known as “American Central”