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muminat
3 years ago
13

Who is president of UN?

SAT
2 answers:
Mashutka [201]3 years ago
8 0

Answer:

Tijjani Muhammad-Bande

Explanation:

Vladimir [108]3 years ago
7 0

Answer:

That would be John W. Ashe

Explanation:

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which of these solutions has the highest concentration of h+?solution a, ph = 12.5solution b, ph = 7.0solution c, ph = 2.5
valkas [14]

Answer:

for solution A

pH = 12.5

for solution B

pH = 7.0

for solution C

pH = 2.5

Explanation:

8 0
2 years ago
Calculate the mass of hydrogen in 57. 010 grams of ammonium hydrogen phosphate.
erastovalidia [21]

The mass of hydrogen in 57.010 g ammonium hydrogen phosphate, (NH₄)H₂PO₄ is 2.97 g  

<h3>Determination of mass of 1 mole of (NH₄)H₂PO₄ </h3>

1 mole of (NH₄)H₂PO₄ = 14 + (4×1) + (2×1) + 31 + (16×4) = 115 g

<h3>Determination of the mass of H in 1 mole of (NH₄)H₂PO₄ </h3>

Mass of H = 6H = 6 × 1 = 6 g

<h3>Determination of the mass of H in 57.010 g of (NH₄)H₂PO₄ </h3>

115 g of (NH₄)H₂PO₄ contains 6 g of H.

Therefore,

57.010 g of (NH₄)H₂PO₄ will contain = (57.010 × 6) / 115 = 2.97 g of H

Thus, 2.97 g of Hydrogen, H is present in 57.010 g of (NH₄)H₂PO₄

Learn more about mass composition:

brainly.com/question/13531044

4 0
2 years ago
Which of the following is the correct equation for photosynthesis?
KatRina [158]

Answer:

6CO2 + 6H2O → C6H12O6 + 6O2

Explanation:

is the photosynthesis equation

4 0
3 years ago
Which ion in the ground state has the same electron configuration as an atom of neon.
AfilCa [17]

Answer:

Highlight to reveal answers and explanations

Questions Answer

38 Which ion in the ground state has the same electron configuration as an atom of neon in the ground state? (1) Ca2+ (2) Cl- (3) Li+ (4) O2-

Answers

4

1

1

3 0
2 years ago
Which two particles are located in the nucleus of an atom and have the correct charges?
Tems11 [23]

Answer:

Protons and Neutrons

  • Protons have a positive charge
  • Neutrons have no charge

4 0
3 years ago
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