Measure the level of lead in blood

1 answer:

Alja [10]3 years ago

5 0

It's measured in micrograms per deciliter. The amount is 5 micrograms.

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malfutka [58]

Moles of ca3(po4)2 = 23.7 / 310.17 = 0.076

moles of (PO4)3- = 0.076 x 2 = 0.152

now, no. of ions = 0.152 x 6.022 x 10^{23}

= 9.2 x 10^{22}

6 0

3 years ago

Sloan [31]

I think the answer is C

7 0

3 years ago

Stolb23 [73]

3rd one sorry if it’s wrong

3 0

2 years ago

Eddi Din [679]

Answer:

He could add a model of soil layers.

Explanation: C

8 0

3 years ago

Scrat [10]

Its a covalent bond for this q

3 0

3 years ago