I really need help finding the mass. So I included the previous masses.

I really need help finding the mass. So I included the previous masses.

How many grams of KClO3 are required to produce 62 moles of KCl?

This is stoichiometry and it asks for the mass, in grams, of iron (iii) oxide. This question is really hard and it takes a lot of work. Please answer.

Nicotine is a compound that contains C,H,N If a sample 2.50 g is burned in oxygen, 6.78 g CO2, 1.94 g H2O and 0.432 g N2 are the products of combustion. What is the percent coumpound of...

I need help on this question. I would like work to help me figure out the problem.

a explain what would happen to concentration of solution b explain how you would expect the ph to change

5C2H2(g) + 2O(g)= 4Co(g) + 2H2O

A. Determine the limiting reactant for the reaction. Express your answer as a chemical formula. B. Determine the theoretical yield of Cl2 for the reaction. C...

I need help with the following question: What is the maximum mass of ethane (C₂H₄) that can react with 100.0dm3 of oxygen in a combustion reaction? (Assume STP Condition) This is...

A student produced 109.6 grams of sodium phosphate during neutralization reaction and determined that her percent yeild in the reaction was 64.3%

A tablet of TUMS with a mass of 1.2 gram contains magnesium hydroxide(soild).

a. Determine the mass of zinc oxide that would be produced if 16.7 gram of zinc sulphide is combined with 6.70 gram of oxygen gas b. If 7.6 gram are produced determine the percent yeild...

how would you set up and solve ? I’m still having trouble with stoichiometry! Any tips to help me later ?

how many grams of zncl2 will be produced from 22.0 g of Zn and 14.0 g of HCL

What mass of water can be formed by igniting 27.5 g of hydrogen gas and 175 g of oxygen gas?

I have a proportion that for every 1 mol of Aluminum, I get 1.5 mol Copper. How much aluminum will I need if I have 127,226,463.1 grams of copper?

I want answerrrrrrr.

Help me please :)

Caffeine, a stimulant in coffee and some cola drinks, is 49.47% carbon, 5.19% H, 28.8% N, and 16.48% O. What is the mass of carbon contained in 37.1 g of caffeine?

What volume of carbon dioxide, measured at room temperature and pressure, would be obtained by the reduction of 320g of iron(III)oxide?