pipirondlovu pipirondlovu

01-07-2021
Chemistry

contestada

A substance x has a mass of 0,20g and molecular mass of 40g/mol.Find the number of moles of substance x.

Respuesta :

mwabamwaba2004 mwabamwaba2004

01-07-2021

Answer:

0,005

Explanation:

number of moles=mass/molecular mass

therefore it's going to be 0,20g over 40g/mol

which is 0,20g/40g/mol... grams and grams will cancel making the answer 0,005moles

Answer Link

Otras preguntas

Why do you think it is important to understand different cultural food pyramids when making recommendations to your patients about wellness?

Proteins are A) built in the nucleus by DNA and transported to the ribosomes. B) converted from nucleic acids to amino acids in the nucleolus. C) produced in

Meg plotted the graph below to show the relationship between the temperature of her city and the number of people at a swimming pool: Main title on the graph i

I don't know how to do this

plzzz help What is the distance between P(-3, -2) and Q(5, -2)?

The solubility of barium chromate, bacro4, is 2.81 × 10−3 g/l. calculate the solubility product of this compound.

Elie wants to join the basketball team, so he has started running on the weekends to build up his stamina. He monitors his heart rate and finds that he is often

i think its C but also D.....

when this chemical equation is correctly balanced what is the coefficient of the nal molecule I2+Na2S2O3+Nal+Na2S4O6

Question 8 How did the construction of canals and railroad networks affect the domestic economy during the 1800’s ? [5.05] Question 9 James Polk’s main goa