[Answered] What is the pH of a solution in which H3O+ = 1.2 10-3 M? A) 1.20 B) 2.92 C) 11.08 D) 12.80 ...

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Author Question: What is the pH of a solution in which H3O+ = 1.2 10-3 M? A) 1.20 B) 2.92 C) 11.08 D) 12.80 ... (Read 40 times)

Metfan725

Hero Member
Posts: 552

on: Aug 27, 2018

What is the pH of a solution in which H3O+ = 1.2 10-3 M?

A) 1.20
B) 2.92
C) 11.08
D) 12.80
E) 8.33 10-12

Question 2

How much energy (in kJ) do 3.0 moles of photons, all with a wavelength of 655 nm, contain?

A) 183 kJ
B) 303 kJ
C) 394 kJ
D) 548 kJ
E) 254 kJ

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kaylee05

Sr. Member
Posts: 318

Reply #1 on: Aug 27, 2018

Answer to Question 1

B

Answer to Question 2

D

Metfan725

Hero Member
Posts: 552

Reply #2 on: Aug 27, 2018

Both answers were spot on, thank you once again

kaylee05

Sr. Member
Posts: 318

Reply #3 on: Aug 27, 2018

Great! Please up vote

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Author Question: What is the pH of a solution in which H3O+ = 1.2 10-3 M? A) 1.20 B) 2.92 C) 11.08 D) 12.80 ... (Read 40 times)

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