Identify the ion with a -4 charge. A) carbide B) permanganate ...

[viki]

Identify the ion with a -4 charge.
 
  A) carbide
  B) permanganate
  C) dichromate
  D) nitride

Question 2

According to the following reaction, how many grams of sulfur are formed when 37.4 g of water are formed? 2 H2S(g) + SO2(g)  3 S(s) + 2H2O(l)
 
  A) 99.8 g S
  B) 66.6 g S
  C) 56.1 g S
  D) 44.4 g S
  E) 14.0 g S

Question 3

How many grams of KCl(s) are produced from the thermal decomposition of KClO3(s) which produces 50.0 mL of O2(g) at 25C and 1.00 atm pressure according to the chemical equation shown below?
 
  2 KClO3(s)  2 KCl(s) + 3 O2(g)?
 
  A) 0.102 g
  B) 0.152 g
  C) 0.167 g
  D) 0.304 g

Question 4

Identify the ion with a -1 charge.
 
  A) phosphate
  B) chlorate
  C) chromate
  D) ammonium

[amanda_14]

Answer to Question 1

A

Answer to Question 2

A

Answer to Question 3

A

Answer to Question 4

B