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

which should not be part of scientific inquiry?1. bias2.analysis3.hypothesis4.testing

A 12 ounce bag of birdseed costs $3.12. A 16-ounce bag of birdseed costs $3.84. Which is the better deal. How much money per ounce would you save by buying that

Find the pattern: 3*4 = 6 4*7 = 8 8*4 = 8 1*3 = 2 Now complete: 5*5 = 6*2 =

what is the meaning of lit, as its used in this sentence.. It was in the clove of seasons, summer was dead but autumn had not yet been born, that the ibis lit i

Aztec civilization, Roman Empire, reign of the czars in Russia. What were 2 similarites between them?

Ten thousand more than 300,000+90,000+5000+40 is

What is the opposite of x squared plus 5?

816mm=_____ cm Convert 816mm=______ cm

how to work out 6=a\4+2

Find the midpoint of the segment joining the points: (4, -2) and (-8, 6) Hint: Formula for midpoint is (x1+x2)/2, (y1+y2)/2