brandreyalniver brandreyalniver

22-10-2016
Chemistry

contestada

How many moles of o atoms are there in 25.0 g of hno3?

Respuesta :

Edufirst Edufirst

03-11-2016

HNO3 molar mass = 1 + 14 +3*16 = 63 g/mol

# of moles = mass / molar mass - 25.0 g / 63 g = 0.3968 moles

# of atoms = # of moles * Avogadro number = 0.3968 mol * 6.022 *10^23 atoms/mol = 2.39 * 10^23 atoms

Answer Link

Otras preguntas

Joint Capability Technology Demonstrations (JCTDs) are a special case of Advanced Technology Demonstrations (ATDs), enhanced so that they can demonstrate the po

Why did the British Parliament impose taxes on the colonists after 1763?___________________________To pay the British off the debts from the french and Indian

Mechanical waves are classified according to

An adventure game has a number cube with 12 equal-size faces. Each face is labeled with a number from 1 to 12. What is the probability of rolling a 4 or a multi

This is the German term that describes the submergible watercraft that they developed and used extensively for World War I.

anyone else hate chocolate ice cream. so nasty for no reason

Research findings can be used to _____ behavior, which is one of the four main goals of psychology. In other words, we can apply the findings to shape and chang

A particular brand of gasoline has a density of 0.737 g/mLg/mL at 25 ∘C∘C. How many grams of this gasoline would fill a 14.9 galgal tank ( 1US gal=3.78L1US gal=

The owner of a produce stand is selling bunches of grapes, priced by the pound.she rounded each measurement to the nearest 1/8 of a pound

What is the domain of the function f (x) =x + 1/x^2-6 x + 8?