Please help with these find the total number of atoms for EACH INDIVISUAL PROBLEM Brainlist if right 25 points 1 CO₂
2 KCl
3 H₂O
4 HNO₃
5 SO₃
6 2 SO₃
7 CaCO₃
8 Al₂O₃
9 C₉H₈O₄
10 NaC₂H₃O₂
11 Mg(NO₃)₂
12 Al(OH)₃
13 2 KOH
14 KMnO₄
15 Mg(OH)₂
16 C₆H₄Cl₂
17 C₂H₄O₂
18 K₂SO₄
19 2 HNO₃
20 Si(HCO₃)₄
21 C₇H₅(NO₂)₃
22 Ca(H₂PO₄)₂
23 FeS₂
24 C₁₂H₂₂O₁₁
25 2 H₂SO₄
26 C₆H₇O₂(OH)₃
27 H₄Mg₃Si₂O₉
28 3 SiO₂
29 2 Al(CO₂)₃
30 3 B₂(CO₃)₃

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Define the type of sequence below. 7, 14, 28, 56, 112, a. neither arithmetic nor geometric b. arithmetic c. both arithmetic and geometric d. geometric

The probability that a u.s. resident has traveled to canada is 0.18 and to mexico is 0.09. a. if traveling to canada and traveling to mexico are independent events, what is the probability that a randomly-selected person has traveled to both? (page 109 in the book may ) b. it turns out that only 4% of u.s. residents have traveled to both countries. comparing this with your answer to part a, are the events independent? explain why or why not. (page 119 may ) c. using the %’s given, make a venn diagram to display this information. (don’t use your answer to part a.) d. using the conditional probability formula (page 114 in the book) and the %’s given, find the probability that a randomly-selected person has traveled to canada, if we know they have traveled to mexico.