blunt7165 blunt7165

10-09-2020
Chemistry

contestada

How many molecules are in 237 g (about a cup) of water? a. 1513.1 b. 4267 c. 6.02 * 1023 d. 93 * 1024 e. 7.93 * 10 24

Respuesta :

14-09-2020

Answer:

7.93E24 molecules of water

Explanation:

determine no. of moles of water: 237 g/18 g/mole H2O= 13.17 moles H2O

13.17 moles H2O x 6.02E23 molecules/mole= 7.93E24 molecules of water

Answer Link

Otras preguntas

à and have the same direction. ā has a magnitude of 8, and b has a magnitude of 5. What must be true about a and b? a. They are opposites and parallel. c. They

who sparked independence movement in mexico

Camille needs to take photos that are at least 4,800 by 3,600 pixels. What minimum number of megapixels will she need in her camera? A. 22 B. 10 C. 18 D. 14

The resistance 2 Ω, 4 Ω and 8 Ω are connected in series. Their equivalent resistance is a) 10 Ω b) 8/7 Ω c) 7.5 Ω d) 14 Ω

Hans wanted to find the length of the hypotenuse of the triangle. Which statement correctly identifies his error? 40 cm 9 cm 9?+40? - ? 81+80-c? 161 = C? 161 cm

help:choose the correct statement

In this lesson, we have focused on using strong and interesting word choices, Combining short phrases to achieve complex sentences, and using subordinate conjun

Exocrine glands do not a release their products into ducts b. empty into a surface or cavity c. stimulate receptors in target cells d. all of the above are char

Find the area of the triangle or quadrilateral.

2) If -5 + 4x = 6x, then 4x =_ _? A) 5/2 B) -10 C) -5 D) -20