bethanyannprice bethanyannprice

11-06-2021
Chemistry

contestada

How many molecules of methane, CH4, are contained in a 0.900 gram sample?

0.0563

3.39 x 1022

1.26

1.02 x 1023

Item at position 24

Respuesta :

senalvidun senalvidun

11-06-2021

Answer:

MOLAR MASS=12+4

=16 gmol^-1

number of moles=Mass/ molar mass

=0.900g/16gmol^-1

=0.05625 mol

the answer is first option

Answer Link

Otras preguntas

Eight-year-old molly and 4-year-old anna were told this story: "jessie is a 5-year-old girl whose best friend is a boy. jessie likes to play with trucks." they

The greatest increase in energy use occurred between which two stages of society? Help please

How can you support a friend who is dealing with grief? A) refuse to talk about death B) refer them to a hospice C) tell them to take medication D) help with

x^4-x^2-42=0 need to solve equation and find solution set

The northern hemisphere has a steeper temperature gradient in its winter than the southern hemisphere does in its winter because: a. the earth's axis is tilted

After their country was ravaged by a series of earthquakes, two bitterly antagonistic political groups set aside their differences and worked cooperatively on e

Need 11 questions to ask for interview

Solve the missing x coordinate above

What factor made it difficult for either side to win world war i?

need help asap 1. circumference 1. radius 1. diameter 2. circumference 2. radius 2. diameter