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Sliva [168]
3 years ago
13

Determine the mass in grams of 0.600 mol of oxygen atoms ( 32 grams x1mole/(mass of element)

Chemistry
1 answer:
yarga [219]3 years ago
8 0

Answer:

The mass of 02 is 19,2 grams in 0,6 moles

Explanation:

1 mol 0 2------------32g

0,6mol 02-----------x= (0,6 mol 02 x 32 g)/1 mol 02 = 19,2 grams

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1. Consider the following: h2so4 2 naoh → na2so4 2 h2o if a 24. 0 ml sample of h2so4 (aq) was neutralized by 20. 0 ml of 0. 125
jasenka [17]

The molarity of the acid sample H₂SO₄ is 0.052M .

<h3>What is Molarity ?</h3>

Molarity (M) is the amount of a substance in a certain volume of solution.

Molarity is defined as the moles of a solute per liters of a solution.

Molarity is also known as the molar concentration of a solution

Now to determine the molarity of the acid sample

V( H₂SO₄) = 24.0 mL in liters = 24.0 / 1000 = 0.024 L

M(H₂SO₄) = ?

V(NaOH) = 20.0 mL = 20.0 / 1000 = 0.02 L

M(NaOH) = 0.125 M

Number of moles NaOH :

n = M x V

n = 0.125 x  0.02

n = 0.0025 moles of NaOH

H₂SO₄(aq) + 2 NaOH(aq) = Na₂SO₄(aq) + 2 H₂O(l)

1 mole H₂SO₄ ---------- 2 mole NaOH

? mole H₂SO₄ ---------- 0.0025 moles NaOH

moles = 0.0025 * 1 / 2

= 0.00125 moles of H₂SO₄

M(H₂SO₄) = n / V

M = 0.00125 /  0.024

= 0.052 M

Therefore the molarity of the acid sample H₂SO₄ is 0.052M .

To know more about molarity

brainly.com/question/12127540

#SPJ4

8 0
2 years ago
3. How does this difference in language relate to our propensity to save?
stich3 [128]

Answer:

If you speak a futureless language, you will speak about time identically meaning you will feel as they are identical, it increases your propensity to save.

Explanation:

hope this helps you :)

8 0
3 years ago
Two samples of sodium chloride with different masses were decomposed into their constituent elements. One sample produced 1.731.
Amanda [17]

Answer:

The answer to your question is letter c) 6.09 g of sodium and 9.38 g of chlorine.

Explanation:

This problem is solve using rule of three

We know that the proportion Sodium to Chloride is 1 to 1 in sodium chloride, so we have to look for this proportion in the options

AM Sodium = 23 g

AM Chlorine = 35.5 g

                 Sodium                                     Chlorine

           23 g ---------------- 1 mol              35.5 g -------------- 1 mol

       1713.73g -------------    x               2666.6 g -------------    x

          x = 1713.73/23 = 74.51                     x = 2666.6/35.5 = 75.12

    These values are very similar, we have to look for the proportion in the options

a)      6.09g of sodium = 0.26 mol

      4,87 g of chlorine = 0.14 mol           These numbers are not very similar

b) We have 0.26 mol of Na

                  0.037 mol of Cl                      This is not the answer

c) We have 0.26 mol of Na

                  0.26 mol of Cl                     These numbers are the same, the proportion is 1:1, this is the answer

d) We have 0.26 mol of Na

                   0.36 mol of Cl                    This is not the answer

8 0
3 years ago
NEED HELP!PLEAE WITH CHEMISTRY!
andriy [413]

Answer:

ionic

Explanation:

4 0
3 years ago
Read 2 more answers
How many covalent bonds are in a nitrogen molecule?
makvit [3.9K]
3 covalent bonds (there are 2 electrons in the first orbital and 5 in the second. You still have room for three more)
7 0
3 years ago
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