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Sidana [21]
3 years ago
11

Choose the nonmetallic elements from the list. Check all that apply yttrium: oxygen: boron: polonium: argon: gallium: carbon:

Chemistry
2 answers:
BaLLatris [955]3 years ago
7 0

Answer:

B, E, & G

Oxygen, Argon, & Carbon

Fudgin [204]3 years ago
4 0

Answer:

Oxygen, Argon, and Carbon.

Explanation:

Just finished the assignment.

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Regularly test the water in residents' homes.

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The state after the tests must guarantee the population the treatment of the water to reduce the levels of lead. The main pipes that contain lead pipes must be changed, as well as those parts of the service connections made of lead.

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What is the molar concentration of hydronium ions in a sample of a soft drink that has a ph of 4?
hammer [34]

[H^{+}] value of soft drink is 0.0001mol/l when given pH is 4.

Given:

pH = 4

Needs to find: [H^{+}]

Formula to find: pH=−log_{10} [H^{+}]

We can put the values of pH in above formula as,

pH=−log_{10} [H^{+}]

4 =−log_{10} [H^{+}]

To calculate hydonium ion concentration, formula is as follows;

[H^{+}] = 10^{-pH}

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[H^{+}] value of soft drink is 0.0001mol/l

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