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Author Question: A FeCl3 solution is 0.175 M. How many mL of a 0.175 M FeCl3 solution are needed to make 450. mL of a ... (Read 444 times)

waynest

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on: Aug 27, 2018
A FeCl3 solution is 0.175 M. How many mL of a 0.175 M FeCl3 solution are needed to make 450. mL of a solution that is 0.300 M in Cl- ion?
 
  A) 0.771 mL
  B) 257 mL
  C) 771 mL
  D) It is not possible to make a more concentrated solution from a less concentrated solution.

Question 2

Which of the following is a strong acid?
 
  A) HNO3
  B) H3PO4
  C) NH4+
  D) HCO3-
  E) H2O

Question 3

Which amino acid can form covalent sulfur-sulfur bonds?
 
  A) cysteine
  B) glycine
  C) proline
  D) methionine
  E) phenylalanine


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morrie123456

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Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

A

Answer to Question 3

A


waynest

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Reply 2 on: Aug 27, 2018
Wow, this really help

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Reply 3 on: Yesterday
Gracias!

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