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Paul [167]
3 years ago
11

Proporties of mixtures

Chemistry
2 answers:
Vesnalui [34]3 years ago
7 0
The answer is A hope that helps
crimeas [40]3 years ago
3 0

I think the answer is A?

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How many moles are in 454 grams of dinitrogen trioxide (N2O3) ?
balu736 [363]

Answer:

5.97 mol

Explanation:

To find the number of moles when given the mass of a substance, we divide the mass of the sample by its molar mass.

so, we get,

nN203 = 454 g / 76.01 g /mol

= 5.97 mol

6 0
3 years ago
What is a nebula? A dead star, a baby star, or a place where stars are born.
masha68 [24]

Answer:

neblua is a place for baby stars when they're born

Explanation:

a nebula is a gaseous cloud formed from dead stars. this works as a nursery for baby stars.

hope this helps:)

8 0
2 years ago
Calculate the volume of a sample of mercury with a density of 14.6 g/mL and a mass of 1.00 g.
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4 0
3 years ago
witch of the following causes earths plates to move continuously? A. Glacial deposits B. Earths magnetic field C. Convection in
natta225 [31]
I think it is B. Earths magnetic feild 
But i'm not sure.
6 0
3 years ago
How many liters of 0.1107 M KCI contains 15.00 g of KCI (FW= 74.6 g/mol)
Mashcka [7]
Number of moles:

n = sample mass / molar mass

n = 15.00 / 74.6

n = 0.2010 moles of KCl

Therefore:

Molarity = moles / Volume

0.1107 = 0.2010 / V

V = 0.2010 / 0.1107

V = 1.815 L 


8 0
3 years ago
Read 2 more answers
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