A latter school question and answer asked over students to assert what they admit is the main important challenge for a student to do if they wanted to obtain success. Of many results, the one which that stood out was practice. Successful persons are certainly born successful; they become successful by just hard work and dedication. This is how you can attain your goals. just below are one of the answer and question example that you could certainly benefit from to practice and upgrade your understanding and also give you insights that should guide you to keep up your study in school.
Question:
What is the mass of 1.70 mol of carbon-12?
A)20.4g
B)12.0g
C)7.06g
D)0.140g
Answer:
The mass of 1.70 mol Carbon-12 has been 20.4 grams. Thus, option A is correct.
The mass can be given from moles, as moles have been the mass of the compound with respect to the molecular mass.
Moles have been given as:
Moles =
Mass = moles × molecular mass
The molecular mass of the Carbon-12 isotope has been 12g/mol.
The given moles of carbon–12 have been 1.70 mol
Substituting the values:
Mass of Carbon-12 = 1.70 mol × 12 g/mol
Mass of carbon–12 = 20.4 grams
The mass of 1.70 mol Carbon-12 has been 20.4 grams. Thus, option A is correct.
They could potentially hopefully help the student resolve the question by making use of the questions and answer examples. Then can potentially have some sharing in a group discussion and also learning with the classmate with regard to the topic, so another student also procure some enlightenment and still keeps up the school learning.