lanachesson lanachesson

20-03-2018
Chemistry

contestada

how many moles of mercury 2 oxide are needed to produce 125 grams of oxygen

Respuesta :

kpopexo345 kpopexo345

20-03-2018

2 HgO >> 2 Hg + O2
moles O2 = 125 g / 32 g/mol =3.91
the ratio between HgO and O2 is 2:1
moles HgO needed = 2 x 3.91 =7.82
Hope this helps!

Answer Link

Otras preguntas

Bottom-up processing involves the ____. select one: a. brain's use of incoming signals to construct perceptions b. brain's ability to integrate several stimu

Explain the types of energy transformations that occurs when a light bulb switch is turned on Explain the types of energy changes that occur when gasoline is bu

What economic activity was profitable for spain and often the most hazardous for its workers?

estimate 8.2 x 6.7 ÷ 0.46

consequences of water stress in a country?

When iron rusts in air iron3 oxide is produced. How many moles of oxygen react with 28.0 mol of iron in the rusting reaction 4fe(s) 3o2(g) 2fe2o3

If 5 sweaters cost $38.10, how much would 6 sweaters cost?

After gender and age, what is the strongest known predictive risk factor for breast cancer?

Select all that apply. Which of the following components should a fire escape plan include? multiple escape routes from every room a safe meeting place away

If a and b are positive integers and their product is 3 times their sum,what is the value of 1 a + 1 b ?