Answer:
Molarity is 0.04M
Explanation:
First of all, let's determinate the moles of aspirin in that sample
Mass / Molar mass = Moles
360 mg = 0.360 g
0.360 g / 180 g/m = 0.002 moles
This moles that are included in 200 mL of solution, are also in 50 mL.
So molarity is mol/L
50 mL = 0.05 L
0.002 m / 0.05 L = 0.04M
Fresh water is always (more dense) than salt water (sinks below) the salt water.
Answer:
B) Rutherford's gold foil experiment
Explanation:
<u>Rutherford's gold foil experiment</u>
Rutherford conducted an experiment in which he took a thin gold particle film on which he passes alpha- particles. He noticed that:
Most of the alpha particles get through the film and can be detected by the detector.
Around small portion of the alpha particle deflected at small angles.
A very very few alpha particle (approximately 1 out of 1 million alpha particles) just retraced their path which means come back from the center.
He concluded that:
Most of the space of the atom is empty and in the center of the atom , there is solid mass which is the cause of the alpha particles to come back. He gave the term nucleus to this solid mass.
132.13952<span> grams - I believe</span>