10HI + 2KMnO4 + 3H2SO4 -> 5I2 + 2MnO4 + K2SO4 + 8H2O According to the balanced equation above, how many miles of HI would be necessary to produce 2.5 mol of I2, starting with 4.0 mil of KMnO4 and 3.0 mol og H2SO4?

Calculate the molarity of 48.0 ml of 6.00 m h2so4 diluted to 0.250 l .

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

A1.5l container holds p.50 grams of an unknown gas at a pressure of 0.44 atm and a temperature of 50.c what is the molar mass of the unknown gas