Multiple Choice
Which of the following statements is/are correct?
i.The molar mass of carbon-12 is exactly 12 g.
ii.The phrase "molar mass of chlorine" is ambiguous.
iii.The molar mass of a substance is the mass in grams of 6.02 × 10²³ particles of that substance.
iv.For atoms,molar mass is numerically equal to atomic mass.
v.The molar masses of elements are always greater,numerically,than the atomic masses of those elements.
A) i only
B) i and ii
C) i,iii and iv
D) i and v
E) ii and v
Correct Answer:
Verified
Correct Answer:
Verified
Q11: Which off the following provides the conversion
Q12: A researcher finds that a compound is
Q13: Consider the following laboratory chemical. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB3385/.jpg"
Q14: Which of the following statements is/are correct?<br>i.A
Q15: How many molecules are in 0.105 mol
Q17: From the following,pick those that are not
Q18: Calculate the formula mass of magnesium phosphate.<br>A)119.28
Q19: Calculate the percent nitrogen in ammonium nitrate.<br>A)17.5%<br>B)21.9%<br>C)22.9%<br>D)33.3%<br>E)35.0%
Q20: Examine the following molecule.The component atoms are
Q21: Calculate the molar mass of molecular iodine.<br>A)126.9