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Vinvika [58]
3 years ago
7

What is the chemical formula of Be+2 and N-3?

Chemistry
1 answer:
soldier1979 [14.2K]3 years ago
4 0

Answer: the first one is beryllium the second is

Nitride

Explanation:

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A) Oxygen

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C)

Explanation:

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3 years ago
Numbers in scientific notation must be expressed in this form m times 10^n where
enot [183]

Answer:

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Explanation:

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7 0
2 years ago
Calculate the mass of 12.3 moles of MgSO4.​
Afina-wow [57]

Answer:

614 034 kg

Explanation:

n = m/Mm

m = n * Mm

Mm(MgSO4) = 1 * 24.3 * 1 * 32.1 * 4 * 16 = 49921.92

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8 0
2 years ago
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Write an equation to show how perchloric acid, HClO4, reacts with water. Include states of matter in your answer. Click in the a
BARSIC [14]

Answer:

HClO4(aq) + H2O(l) ⇄ H3O+(aq) + ClO4-(aq)

Explanation:

When an acid dissolves in water, it will produce hydronium ion, H3O+ as the only positive ion.

perchloric acid, HClO4, being an acid will react with water, H2O to produce hydronium ion, H3O+ as shown below:

HClO4(aq) + H2O(l) ⇄ H3O+(aq) + ClO4-(aq)

8 0
3 years ago
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