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Juliette [100K]
3 years ago
8

Can someone pls explain? :'(

Chemistry
1 answer:
telo118 [61]3 years ago
7 0
It is 0.07 g for your answer
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Which one is an expression of distance in Sl units?
Svetllana [295]

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500 meters

Explanation:

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2 years ago
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What is the percent composition of the u.s quarter, which has the mass of 5.670g
Vitek1552 [10]
The percent composition of each element can be calculated as follows:
% composition = (mass of element / total mass) * 100

The total mass of the quarter is given to be 5.670 grams
Mass of Cu = 5.198 grams
Mass of Ni = 0.472 grams

Substitute in the above equation to get the mass percentage of each element as follows:
% of Cu = (5.198/5.670) * 100 = 91.675%
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3 years ago
SOS TESTING:
andrezito [222]

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4 0
2 years ago
How many moles are in 29.5 grams of Ax?
JulsSmile [24]

The number of moles present in 29.5 grams of argon is 0.74 mole.

The atomic mass of argon is given as;

Ar = 39.95 g/mole

The number of moles present in 29.5 grams of argon is calculated as follows;

39.95 g ------------------------------- 1 mole

29.5 g ------------------------------ ?

= \frac{29.5}{39.95} \\\\= 0.74 \ mole

Thus, the number of moles present in 29.5 grams of argon is 0.74 mole.

<em>"Your question seems to be missing the correct symbol for the element" </em>

Argon = Ar

Learn more here:brainly.com/question/4628363

6 0
2 years ago
** WILL MARK BRAINLIEST **
hram777 [196]

It is c I hope I helped out with this question!.

3 0
3 years ago
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