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SVEN [57.7K]
2 years ago
12

1. Choose the correct answer from the given alternative. 1. A blood sample analysis showed that a total of 0.0000036g lead. Expr

ess it in micrograms? A. 0.0036 micro gram B. 0.036 micro grams C. 0.36 micro grams D. 3.6 micrograms.​
Chemistry
1 answer:
son4ous [18]2 years ago
5 0

Answer:

3.6 micrograms answers (c)

Explanation:

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Which describes the state at which products form at the same rate as reactants?
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Chemical equilibrium<span> is the state in which both reactants and products are present in concentrations which have no further tendency to change with time.
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8 0
3 years ago
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calculate the atomic mass of carbon if the two common isotopes of carbon have masses of 12.000 amu (98.89% abundance) and 13.003
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12.01 amu

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3 years ago
_ Na3PO4 + _ HCl NaCl + _ H3PO4
tatiyna

Answer:

Na₃PO₄ + 3HCl —> 3NaCl + H₃PO₄

The coefficients are: 1, 3, 3, 1

Explanation:

_Na₃PO₄ + __HCl —> __NaCl + _H₃PO₄

The above equation can be balance as follow:

Na₃PO₄ + HCl —> NaCl + H₃PO₄

There are 3 atoms of Na on the left side and 1 atom on the right side. It can be balance by writing 3 before NaCl as shown below:

Na₃PO₄ + HCl —> 3NaCl + H₃PO₄

There are 3 atoms of Cl on the right side and 1 atom on the left side. It can be balance by writing 3 before HCl as shown below:

Na₃PO₄ + 3HCl —> 3NaCl + H₃PO₄

Now, the equation is balanced.

The coefficients are: 1, 3, 3, 1

8 0
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