2 years ago

If 6.0 x 10^23 atoms of aluminum weigh 27 g, calculate the mass of 1 atom of aluminum in picograms.

Chemistry

1 answer:

Georgia [21]2 years ago

3 0

Answer:

$4.5 \times 10^{ - 11}$ picograms

Explanation:

Please see attached picture for full solution.

You might be interested in

What do cubic measurements, live cm3, mesure?"<br> O length<br> volume

anygoal [31]

The answer is volume.

6 0

2 years ago

How many milligrams of a 20mg sample of cesium-137 remain after 60 years

andrey2020 [161]

Cs -137 has a half life of about 30 years. If 60 years pass, there is two half lives passed so 1/2 * 1/2= 1/4. Take 1/4 and multiply it with the mass given:
(1/4)*20mg=5mg left

5 0

2 years ago

Find the formula for the compound that contains 72.40% iron and 27.60% oxygen.

Vikki [24]

Oxygen = 16
Iron = 55.8
16 x 27.6% = 4.4 /4 = 1.1
55.8 x 72.4% = 40.4 /4 = 10.1
1 oxygen and 10 iron, so Fe10 O

8 0

3 years ago

Middle School science 3 1. Illustrate the position of the Earth, moon, and sun during a lunar eclipse. You may do so by typing a

lilavasa [31]

I hope this helps you

7 0

3 years ago

A parachute on a racing dragster opens and changes the speed of the car from 85 m/s to 45 m/s in a period of 4.5 seconds. What i

LiRa [457]

Answer:

- 8.89 $m/s^{2}$

Explanation:

$\frac{(Vf-Vo)}{time}$ = $\frac{(45-85 m/s)}{4.5s}$ = - 8.89 $m/s^{2}$

7 0

2 years ago

Read 2 more answers