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

my school has 950 students. they took a survey for the kids who got surveyed 76.2% liked wearing team shirts once a week and 5.2% did not 18.6% were indifferent

solve for x 15cot(2x)+3=0 please help

The deadly weapon called Greek fire was used by this empire to defend itself?

What may display two different grain sizes

Fill in the blank with the correct form of the verb in the conditionnel tense : Je __________ dans un restaurant chic si j'allais à Paris. (manger) (2 points)

If the federal government wants to encourage businesses and consumers to spend more money, it would MOST LIKELY

Y= 2x-4 Y= -1/3x+3 Which of the following points is the solution to the system? (6,1) (3,2) (5,6) (6,8)

Why is karana afraid to make weapons?

The heart is a complex muscle. True False

what is a rep in strength training a) the number of times to complete the full motion of an exercise b) the number of exercise completed c) the number of moti