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kondaur [170]
3 years ago
6

Uranium in the isotope below had 140 nutrons​

Chemistry
1 answer:
Brut [27]3 years ago
4 0

Answer:

It has 140 neutrons because Mass number= No of protons + no of neutrons

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What is the most accurate description of c6h12o6?
storchak [24]
A chemestretic equation equation which is formed by h20 mc square hydrogen peroxide and the equation of cf6c7bu7c





Hope it helped
8 0
3 years ago
If you were looking for transport proteins, where would you find them?
noname [10]

Answer:Transport proteins are found within the membrane itself, where they form a channel, or a carrying mechanism, to allow their substrate to pass from one side to the other.

Explanation:

7 0
3 years ago
What is the molarity of a NaCl stock used to make 750 ml of a dilute 10 mM solution if 5 ml of the concentrated solution was use
ch4aika [34]

Explanation:

The given data is as follows.

          M_{1} = 10 mM = 10 \times 10^{-3} M

          V_{1} = 750 ml,           V_{2} = 5 ml

          M_{2} = ?

Therefore, calculate the molarity of given NaCl stock as follows.

                  M_{1} \times V_{1} = M_{2} \times V_{2}

                  10 \times 10^{-3} \times 750 ml = M_{2} \times 5 ml

                   M_{2} = 1.5 M

Thus, we can conclude that molarity of given NaCl stock is 1.5 M.        

7 0
3 years ago
You estimate that you sent 135 texts last week but when you get the bill, it was actually 175. Calculate the percent error
FinnZ [79.3K]

Answer: -40

Explanation: Percent error is calculated by subtracting the value you actually recieved from the literature value (175 in your case)  SO your answer should be 135-175=-40.

6 0
3 years ago
Given a 1.50 Liters of solution that contains 62.5 grams of magnesium oxide. What is the Molarity of that solution? Please show
zhenek [66]
Given:
1.50 L
62.5 grams
and the MM of MgO: 40.31 g/mol

Molarity: mol/L

First, find mol.

62.5 g x 1mole ÷ 40.31 g = 1.55 mol

then divide mol and the given liters

1.55mol ÷ 1.50 L= 1.03 M
3 0
3 years ago
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