<span>Physical properties are any properties of matter which can be perceived or observed without changing the chemical identity of the sample.</span>
Rise over run. Just like you have set up. If you plotted the data points subtract (y2-y1)/(x2-X1)
Molarity is number of moles of solute in 1 L of solution
number of moles of glucose -28.33 g / 180 g/mol = 0.1574 mol
volume of solution is 1.28 L
since molarity is number of moles in 1 L
the number of moles in 1.28 L - 0.1574 mol
therefore number of moles in 1 L - 0.1574 mol / 1.28 L = 0.123 M
molarity is 0.123 M
The <u>Mole</u> is the SI unit that expresses the amount of substance.
Mole is defined as - The mole is the amount of substance containing the same number of entities as there are in the 12 grams of Carbon - 12.
Mole is denoted by using symbol mol.
Mole = 6.022 x 10²³ elementary entities.
These number of elementary entities in 1 mole is equal to or called as an Avogadro's number. Mole is equal to 6.022 x 10²³ because this number of entity is same as in exactly 12 g of carbon-12.
It is a very important SI unit of measured which is used by the chemists. Moles are used in measuring in small or tiny things such as atoms, molecules and the other tiny particles.
To learn more about the mole concept,
brainly.com/question/28498715
#SPJ4