3 years ago

What total mass of a 16 gram sample of 60Co will remain unchanged after 15.9 years

Chemistry

1 answer:

scoundrel [369]3 years ago

7 0

Answer:

2 g

Explanation:

You might be interested in

NEED HELP FAST!!

koban [17]

Answer:

I'm pretty sure that's right.

Explanation:

Download pdf

8 0

3 years ago

What is easier to observe about an object,it’s physical properties or it’s chemical properties. Explain why.

Sladkaya [172]

Answer:

Physical Properties

Explanation:

You are able to see physical properties but are unable to see chemical properties.

7 0

3 years ago

5. Element X has two isotopes: X-100 and X-104. If the atomic mass of X is 101

Alex

Answer:

bshshbahsbebhshshshshsuuxuxhebusisj

5 0

3 years ago

18. What is the percent by mass sugar of a solution made by dissolving 12.45 grams of sugar in 100 grams of water?

Fantom [35]

The percent by mass sugar of a solution : 11.07%

<h3>Further explanation</h3>

Given

mass of sugar = 12.45 g

mass of water = 100 g

Required

The percent by mass

Solution

Mass of solution :

$\tt mass~sugar+mass~water=12.45+100=112.45~g$

Percent mass of sugar :

$\tt \%mass=\dfrac{mass~sugar}{mass~solution}\times 100\%\\\\\%mass=\dfrac{12.45}{112.45}\times 100\%=11.07\%$

6 0

3 years ago

Electricity is the _of charged<br> particles.<br> A.movement<br> B. collection<br> C.build up

Vitek1552 [10]

Answer:

Explanation:

4 0

3 years ago