mynamecamranh mynamecamranh

03-04-2018
Chemistry

contestada

Two moles of an unknown substance were shown to have a mass of 240g. What molecular mass does the substance have?

Respuesta :

kenmyna kenmyna

12-04-2018

The molecular mass of the unknown substance is calculated as follows

mass of unknown substance / moles of unknown substance

that is 240g /2 mol = 120 g/mol

Answer Link

Otras preguntas

If the latent heat of fusion for water is 333.4 J/g, how much heat is required to melt 170 grams of ice at 0 °C?

parle-moi d’un film tu as vu recemment? Short paragraph with an answer please

How do you rewrite an equation in slope-intercept form

How old was the youngest new york times best-selling author?

Customer Information Programs (CIPs) use several examples to define a person opening a new account. In which scenario should the person be considered a customer

what is the reason for the second contenental congress

A manufacturer claims that the batteries it makes will last 18 hours, with a standard deviation of 1.5 hours. If the durations of the batteries are normally dis

Carskadon study on starting times for schools concluded that early school starting times cause________.

HELP A SISTA OUT PLEASEE Anne Bradstreet questions 2. Why does she have difficulty repaying her father? 4. Why does she feel indebted to her father? 5. Doe

What is the solution to 5x-8y=-45 9x-8y=49