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Dennis_Churaev [7]
3 years ago
9

What is the mass in grams, if you have 8.42 x 10^18 atoms of Bromine

Chemistry
1 answer:
Dahasolnce [82]3 years ago
8 0

Answer:

84.2 grams

Explanation:

you have to multiply 8.42x10^18 to get the answer above

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Find the normality of 0.321 g sodium carbonate in a 250 mL solution.
Radda [10]

Answer:

the normality of the given solution is 0.0755 N

Explanation:

The computation of the normality of the given solution is shown below:

Here we have to realize the two sodiums ions per carbonate ion i.e.

N = 0.321g Na_2CO_3 × (1mol ÷ 105.99g)×(2eq ÷ 1mol)

= 0.1886eq ÷ 0.2500L

= 0.0755 N

Hence, the normality of the given solution is 0.0755 N

5 0
2 years ago
How many grams of h2 are needed to produce 14.51 g of nh3?
gavmur [86]

Answer:

               2.57 g of H₂

Solution:

The Balance Chemical Equation is as follow,

                                          N₂  +  3 H₂    →    2 NH₃

According to Balance equation,

         34.06 g (2 moles) NH₃ is produced by  =  6.04 g (3 moles) of H₂

So,

               14.51 g of NH₃ will be produced by  =  X g of H₂

Solving for X,

                      X  =  (14.51 g × 6.04 g) ÷ 34.06 g

                     X =  2.57 g of H₂

7 0
3 years ago
Determine the molar mass for ammonia (NH3) in g/mol.
navik [9.2K]

Answer:

17.031 g/mol

Explanation:

5 0
3 years ago
what biome has many nocturnal animals that burrow underground during the day that are active at night
hram777 [196]

Answer:

it could be maybe a raccoon or a possum

Explanation:

4 0
3 years ago
A penny weighs 250 centigrams. How may grams is this ?
antiseptic1488 [7]

Answer: 2.5

Explanation:

3 0
3 years ago
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