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Cerrena [4.2K]
3 years ago
12

Unlike homogeneous solutions, the

Chemistry
1 answer:
morpeh [17]3 years ago
6 0
I think A is the answer
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kondaur [170]
The answer is E it’s killing all oxygen that is around you
7 0
4 years ago
What volume of 9 M sodium hydroxide is required to make 500 mL of 0.1 M sodium hydroxide?
MArishka [77]

Answer:

6mL

Explanation:

V₁M₁ = V₂M₂

V₁ =  V₂M₂/M₁

V₁ = (500)(0.1)/(9)

V₁ = 5.56mL ≈ 6mL

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3 years ago
7) The density of Cl2 gas at STP, in grams per liter, is approximately:
maria [59]

Answer:

Make me Brilliant

Explanation:

3.2 gl

4 0
3 years ago
How many grams of magnesium are needed to completely react
Verizon [17]

97.22 grams of magnesium is needed.

<u>Explanation:</u>

The molar ratio of Mg to O2  to make MgO is 2:1

Here, we have 2 moles of O2, therefore we need 4 moles of Mg.

1 mol of Mg = 24.305 g

Therefore

4 moles of Mg = 4 \times 24.305 g

                        = 97.22 g

Hence we need 97.22grams of magnesium are needed to completely reactwith 2.00 mol of O2 in the synthesis reaction that producesmagnesium oxide.

5 0
3 years ago
What is the mass number of the isotope of calcium (ca) containing 20 neutrons?
mixer [17]

Answer:

the mass number is 40 g/mole

3 0
4 years ago
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