Multiple Choice
The molar mass of a compound X(HCO₃) 2 is 146. The atomic weight of X when rounded to the nearest whole number is ________, which is ________.
A) 24; Mg
B) 40; Ca
C) 51; V
D) 56; Fe
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q165: How many grams of NO will form
Q166: Which is the correct statement about one
Q167: A sample of calcium that contains Avogadro's
Q168: What is the percent yield if 52
Q169: Combustion of 6.51 mg of a compound
Q171: The number of oxygen atoms in 1
Q172: Determine the percent yield of an experiment
Q173: The molar mass of a compound Ca(MO₃)<sub>2</sub>
Q174: Match each compound with its corresponding molecular
Q175: 0.3 moles of a certain calcium compound