Answer:
0.034 mol (4dp)
Explanation:
Use the formula n = m/M where n= number of moles, m=mass in grams and M=molar mass in g/mol.
Therefore to find how many moles, divide the mass in grams (2) by the molar mass of sodium chloride which is 22.99+35.45
Sodium, Oxygen, and Hydrogen are found in NaOH. Na=Sodium, O=Oxygen, H=Hydrogen.
Answer: Cotton
Explanation: Some cement is natural but i don't think that's what question is referring to. C: polyester is made from synthetic fibers. D: nylon is man made.
Also, cotton grows on plants.
Answer:
Ground state
the state with the smallest amount of energy.
The molarity of a solution if it tale 12.0 grams of Ca(No3)2 is calculated as below
molarity = moles/volume in liters
moles = mass/molar mass = 12.0 g/ 164 g/mol = 0.073 moles
molarity is therefore = 0.073/0.105 = 0.7 M
