purelentama purelentama

24-03-2017
Chemistry

contestada

Find the formula for the compound that contains 72.40% iron and 27.60% oxygen.

Respuesta :

skilewis skilewis

24-03-2017

Oxygen = 16
Iron = 55.8
16 x 27.6% = 4.4 /4 = 1.1
55.8 x 72.4% = 40.4 /4 = 10.1
1 oxygen and 10 iron, so Fe10 O

Answer Link

Otras preguntas

Interest rates generally reflect the potential elects of initation the level of risk in an investment the real value of the investment the amount of money inves

Packaging Solutions Corporation manufactures and sells a wide variety of packaging products. Performance reports are prepared monthly for each department. The p

how to solve (-2/5x)(2/6y)=

Assume that a radiology group practice has the following cost structure: Fixed costs = $500,000 Variable cost per procedure = $25 Furthermore, assume that the g

A(n)combines electronic machines and computer-integrated manufacturing in a single production system.

Why is the traditional classification of agriculture as a primary economic activity a problem when considering the geography of agriculture? a. Modern farmers a

Calculate the density of a proton, given that the mass of a proton is 1.0073 amu and the diameter of a proton is 1.73 × 10 ^− 15 m . The answer should

A motorcycle is following a car that is traveling at constant speed on a straight highway. Initially, the car and the motorcycle are both traveling at the same

a rectangular park is 40m long and 30m wide.a path 2.5m wide is constructed outside and around it.Find the area of the path and cost of cementing the path at ra

Which of the following is an example of a chemical change? Breaking glass Boiling water Baking a cake Holding two magnets together