HanahJai HanahJai

22-10-2016
Chemistry

contestada

how many molecules are in 450g of NaNO3?

Respuesta :

Willchemistry Willchemistry

23-10-2016

molar mass NaNO3 = 84.99 g/mol

1 mole NaNO3 ----------- 84.99 g
?? moles NaNO3 -------- 450 g

450 x 1 / 84.99 => 5.294 moles

1 mole --------------- 6.02x10²³ molecules
5.294 moles ------- ??

5.294 x ( 6.02x10²³) / 1

=> 3.18x10²⁴ molecules

Answer Link

Otras preguntas

Is a circle a function? Yes, the graph is symmetrical No, there is infinite data No, each output has more than one input No, each input has one output

When conducting a survey, face-to-face or telephone interviews yield the most complete information, but are expensive and time consuming. An alternative is to

Question 1 1 pts Question # 1: STATE -BUILDING IN VARIOUS PARTS OF THE WORLD BETWEEN 1200 - 1450 . . Give One Example of how the process of State Building in Va

HELP WILL GIVE BRAINLIEST IF CORRECT

Write a four digit whole number that is divisible by 2. Use a divisibility rule and explain how you know that your number is divisible by 2.

PLEASE HELP ASAP: The _____ Basin provides irrigation making fruit and nut growing possible. no options, you gotta type it in the box

While scuba diving, Alex counted the number of sea turtles and jellyfish he saw. After a few minutes, he counted 4 sea turtles and 12 jellyfish. This ratio rema

The following is the longitudinal characteristic equation for an F-89 flying at 20,000 feet at Mach 0.638. The Short Period natural frequency is _____.

Need Help ASAP Calculate the pH of: a) 0.1 M HF Ka = 7.2 x 10-4 b) 1 x 10-3 M HNO3 c) 1 x 10-8 M HCl

Which of these characteristics does NOT describe the epic poem of the English Anglo/Saxon period? A) They were not written down; rather, they were sung by scops