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04.10.2020 •
Chemistry
What is the chemistery
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Ответ:
Explanation:
Chemistry is the branch of science concerned with the substances of which matter is composed, the investigation of their properties and reactions, and the use of such reactions to form new substances.
Ответ:
Hey there!
Molar mass NaCl = 58.44 g/mol
Number of moles:
n = M * V
n = 1.75 * 0.500
n = 0.875 moles of NaCl
Therefore:
1 mole NaCl 58.44 g
0.875 moles m
m = 0.875 * 58.44 / 1
m = 51.135 g of NaCl
hope this helps!