MULTIPLE CHOICE
1.Which of the following DOES NOT refer to one mole of carbon dioxide (C-12, O-16)?
A. 1 g of C and 2 g of O C. 44 g of carbon dioxide
B. 1 mol of C and 2 mol of O D. 6.02 x 1023 molecules
2. Which contains a greater number of particles?
A.33.0 grams Kr B. 0.775 moles N2
3. Why do you think so? There are _________________.
A. 2.371 x 1020 Kr atoms and 4.67 x 1021 N2 molecules
B. 2.371 x 1021 Kr atoms and 4.67 x 1022 N2 molecules
C. 2.371 x 1022 Kr atoms and 4.67 x 1023 N2 molecules
D. 2.371 x 1023 Kr atoms and 4.67 x 1023 N2 molecules
Answers & Comments
Answer:
1. b
2. a
3.a or c
Explanation:
sa number 2 po di ko po sure ang sagot ko