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Firlakuza [10]
3 years ago
15

Which tool is used to measure mass?

Chemistry
2 answers:
Ostrovityanka [42]3 years ago
7 0

Answer: A balance is the tool used to determine an object's mass

Explanation:

slega [8]3 years ago
3 0

Answer:

kilogram is used to measure to mass

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The atomic number of an element gives the number of __ and __in the atom while the mass number gives the total number of__and__
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The atomic number of an element gives the proton and electron in the atom while the mass number gives the total number of protons and neutron
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Suppose that X represents an arbitrary cation and that Y represents an anionic species. Using the charges indicated in the super
dmitriy555 [2]

Answer:

See explanation.

Explanation:

Hello!

In this case, when having the cationic and anionic species with the specified charges, in order to abide by the net charge rule, we need to exchange the charges in the form of subscripts and without the sign, just as shown below:X^{m+}Y^{n-}\rightarrow X_nY_m

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X^+Y^{3-}\rightarrow X_3Y\\\\X^{2+}Y^{3-}\rightarrow X_3Y_2 \\\\X^{3+}Y^{3-}\rightarrow X_3Y_3\rightarrow XY

Best regards!

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Which statement is correct about the rate of a chemical reaction? (5 points)
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