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natka813 [3]
2 years ago
13

Jshsbdbfbbbfffbbdvdvsgssggdhdh

Chemistry
1 answer:
11Alexandr11 [23.1K]2 years ago
8 0
Very nice english.......
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0.479 M or mol/L

Explanation:

So Molarity is moles/litres of solution...often written as M=mol/L

So here we are given grams of BaCl2 which we have to convert to moles. To convert to moles of BaCl2 we have to divide 63.2 g BaCl2 by molar mass of BaCl2 which is 208.23 g/mol so you get 63.2/208.23 = 0.3035 moles of BaCl2

Second step is converting the 634mL to litres by simply dividing by 1000 because we know 1 litre has 1000ml so 634/1000 = 0.634L

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3 years ago
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The average temperature of healthy person is 98.6°F. What is it in<br> Celsius scale?
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Atoms of arsenic (As) are often added to silicon (Si) in a process called doping to change the conductivity of the silicon. How
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d) An atom of arsenic has one more valence electron and more electron shells than an atom of silicon, so the conductivity increases because the arsenic atom loses the electron.

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