Answer:
0.26 moles
Explanation:
Number of moles = mass/molar mass
Mass of SiO2 = 15.5g
Molar mass of SiO2 = 60.08g/mol
Number of moles = 15.5g/60.08g/mol
=0.257
= 0.26 moles
Answer:
It reads as follows: 0.5 moles of solute per liter of solution.
Explanation:
Molarity is the most frequent way of expressing the concentration of solutions in chemistry, and it indicates the number of moles of solute dissolved per liter of solution; is represented by the letter M.
I think the answer would be
A. They find the number of protons
Atomic number
Atoms of different elements must have different atomic number. The atomic number of each element is different than other Elements.
Answer:
soda, tomato juice and grapefruit juice
have a ph of 2.5 - 3.5
Explanation: