When aqueous solutions of sodium phosphate and calcium nitrite ...

[scienceeasy]

When aqueous solutions of sodium phosphate and calcium nitrite are mixed, the spectator ions are ________.
 
  A) calcium and nitrite
  B) sodium and phosphate
  C) calcium and phosphate
  D) sodium and nitrite

Question 2

If the concentration of B is doubled while the concentration of A is unchanged, the rate will ________.
 
  A (g) + 3B (g)  C (g) + 2D (g)
  Rate = kAB3
  A) stay the same
  B) be increased by a factor of 6
  C) double
  D) be increased by a factor of 8

Question 3

In order for an experiment to be successful, scientists must be able to control all variables.
 
  Indicate whether the statement is true or false

[memslove]

Answer to Question 1

D

Answer to Question 2

D

Answer to Question 3

FALSE

[scienceeasy]

Gracias!

[bblaney]

Thanks for the timely response, appreciate it