thebpss
thebpss
22-09-2021
Chemistry
contestada
What is the mole of 125 mg of Na? How many Na atoms?
Respuesta :
smileybrendan2000
smileybrendan2000
22-09-2021
(125 mg Na) x (1 g/1000mg) x (1 mol of Na/22.99 g) = 5.43 E -3 mols of Na
5.43 E -3 mols x 6.022 E 23 = 3.27 E 21 Na atoms
Answer Link
VER TODAS LAS RESPUESTAS ( 18+ )
Otras preguntas
What were negative aspects of Joseph Stalin's first Five-Year Plan? Choose three answers.
the belief that you loose fat mass in a specific body part by concentrating excersise into that area is known as A) A fad B) spot reduction C) toning D) Weigh
Simplify that a chemical is mxing two acid solutions one of 45% concentration and the other of 55% cencetration which of the following concentration could not b
Which are the only two photic zones in the ocean? a. Epipelagic and Abyssopelagic b. Mesopelagic and Epipelagic c. Epipelagic and Bathypelagicd. Abyssopelagic
(05.02 MC) After closing the revenue and expense accounts below, what would the income summary balance be? Sales: $3,230.00 Advertising Expense: $765.00 Communi
Which are the only two photic zones in the ocean? a. Epipelagic and Abyssopelagic b. Mesopelagic and Epipelagic c. Epipelagic and Bathypelagicd. Abyssopelagic
What is the product(s) in the reaction below? CH₂(g) +20₂(g) → CO₂(g) + 2H₂O(g) OA. CO₂(g) OB. CO₂(g) + 2H₂O(g) OC. CH₂(g) +202(g) OD. CH₂(g)
Tim earns 96pounds for 16 hours. Tim earns 'time and a half' for overtime. he works 4 hours of overtime in addition to his normal 16 hours. how much does he ear
21. (05.07 MC) The function for the speed of a plane that is landing from the sky is given by v(t) = 352 − 48t, where v is the velocity (in miles per hour) an
if three hard drives are using 132 5/8 watts, what is the number of watts used per hard drive?1. 44 7/24 watts2. 42 5/24 watts3. 42 7/24 watts4. 44 5/24 wattswh
