Answer: There are 4.8 x 1024 hydrogen atoms in 2.0 moles of CH4
1: a, 2:a, 3:a, 4:c, 5:d, 6:d, 7:c;
Wym kingdom? I dont get it
Answer:
(C) im pretty sure is the answer
Explanation:
Answer:
B. 214.02
Explanation:
1 mol of water weighs 18.015 gm and contains 6.023 × 10²³ molecules
From question, We have 7.15 × 10²⁴ molecules
Dividing we get (7.15 × 10 ²⁴) ÷ ( 6.023 × 10²³) = 11.871 molecules
Now, Weight of water = 11.871 × 18.015 = 213.85 which is nearer to option B
