Common-Core/ Grade 10
Science MCQ Based On Molar mass and formula mass of compounds
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Common-Core Grade 10 - 10 Molar mass and formula mass of compounds
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Read the option carefully, and recall the definition of formula mass.
The atomic mass of Chlorine is 35.5
Atomic mass:
N = 14
H = 1
Which of the given options depends on mass? Since mass does not depend on the temperature, you can eliminate the irrelevant option.
Recall the definitions of the options given
The molecular formula of sodium carbonate is Na2CO3.
The atomic mass of Sodium is 23
Atomic mass:
C = 12
O = 16
H = 1
recall the definition of formula mass
Cross of the irrelevant options
Eliminate the improper options
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