706daypere 706daypere

21-05-2021
Chemistry

contestada

How many molecules of H2O are equivalent to 98.2 g of H2O

Respuesta :

abdullah2abdulwahab abdullah2abdulwahab

24-05-2021

Answer:

Demo Mole Quantities

58.5g NaCl(mol/58.5g)(6.02 x 1023/mol) = 6.02 x 1023 Na

+

Cl21 pre-1982 pennies (after 1982 pennies are mostly zinc with copper coating)

63.5g Cu( mol/ 63.5g)(6.02 x 1023/mol) = 6.02 x 1023 Cu

19.0g Al (mol/27.0g)(6.02 x 1023/mol) = 4.24 x 1023 Al

Explanation:

Answer Link

Otras preguntas

Need help on #21 please

you received to create an urgent presentation with predesigned and preinstalled elements. Which option will you use?

Three coins car tosses in succession. What is the probability of heads-tails-heads?

1. 4x + 8 = 35 2. 25 = 3x + x + 7

If energy was included in a chemical reaction, on which side of the equation would it be written for an endothermic reaction?

If an equation of a line is y - 5 = m(x-2) and (1,1) is a point on the graph, what is m?

What is the point slope form of the line with slope 2/5 that passes through the point (−4, −7) ?

Please help!!!!! Break it down for me!

Please help its due tommorrow

What statement about Charlemagne is not true? A. Charlemagne's empire collapsed during his rule B. Charlemagne sent missionaries throughout Europe C. Charlemagn