03-06-2021
Chemistry

contestada

How many molecules of H2O are contained in 78.34 grams?
6.342 X 1019 molecules

2.618 X 1024 molecules

5.634 X 1025 molecules

9.984 X 1022 molecules

1.198 X 1026 molecules

Respuesta :

wwwoseiisaaccom2002 wwwoseiisaaccom2002

11-06-2021

Answer:

4.716x10^25

Explanation:

1 molecule of water is equivalent to 6.02x10^23

hence 78.34 is equivalent to 78.34x6.02x10^23

and the answer is 4.716x10^25

Answer Link

Otras preguntas

what number is 25%of 36

What is this simplifying expression? 3(x+6)+2(x-4)

How would you describe the components of fitness and how they relate to fitness testing?

If [tex]f(x)= \frac{1}{x-2} [/tex] and (f*g)'(1)=6 and g'(1)=-1, then g(1)= A. 5 B. -7 C. 7 D. 5 E. 8 (note: (f*g)'(1) means the derivitive of f(x)g(x) at x=1)

What is the definition of a social institution??

Sometime too hot the eye of heaven shines, How many iambs are found in this line from “Sonnet 18”?

Ignore the stuff underneath I did it in pen and messed up.

A shelf has 20 bags of potatoes. Two of the bags have potatoes starting to go bad. What is the expected probability of the complement of the event "bad bags of

the weight of an apple at 4r from earth is of that on earth

Etta bought 11.5 yards of fabric selling for $0.90 per yard. What was the total cost?