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bija089 [108]
2 years ago
5

The Law of Conservation of Matter describes how mass is not lost during a chemical reaction.

Chemistry
2 answers:
weeeeeb [17]2 years ago
7 0

False, it states that matter can be nether created nor destroyed

crimeas [40]2 years ago
4 0

Answer:

false

Explanation:

because it tells you the matter can't be created or destroyed.

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Convert -230,000J to kJ
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3 years ago
In the laboratory you dilute 5.32 mL of a concentrated 6.00 M perchloric acid solution to a total volume of 100 mL. What is the
8_murik_8 [283]

Answer:

0.3192 M

Explanation:

From the question given above, the following data were obtained:

Volume of stock solution (V1) = 5.32 mL Molarity of stock solution (M1) = 6 M

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Molarity of diluted solution (M2) =?

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7 0
3 years ago
If you weighed out 0.38 g of calcium and reacted it with an excess of hcl, how many moles of h2(g) would you expect to produce?
Hitman42 [59]
Answer is: 0,0095 mol of hydrogen gas will be produced in reaction.
Chemical reaction: Ca + 2HCl → CaCl₂ + H₂.
m(Ca) = 0,38 g.
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n(Ca) = m(Ca) ÷ M(Ca).
n(Ca) = 0,38 g ÷ 40 g/mol
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from reaction: n(Ca) : n(H₂) = 1 : 1.
n(H₂) = n(Ca) = 0,0095 mol.
n - amount of substance.
4 0
3 years ago
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