How many atom in protons

Chemistry

1 answer:

Alex Ar [27]3 years ago

7 0

Answer:

Its atomic number is 14 and its atomic mass is 28. The most common isotope of uranium has 92 protons and 146 neutrons. Its atomic number is 92 and its atomic mass is 238 (92 + 146).

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Answer:

0.5

Explanation:

We are given the moles of two reactants, so this could be a limiting reactant problem.

We know that we will need moles, so, lets assemble all the data in one place.

2Ca₃(PO₄)₂ + 6SiO₂ + 10C → P₄ + 6CaSiO₃ + 10CO

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Calculate the moles of P₄ that can be formed from each reactant :

1. From Ca₃(PO₄)₂

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2. From SiO₂

$\text{Moles of P}_{4} = \text{3 mol SiO}_{2} \times \dfrac{\text{1 mol P}_{4}}{\text{6 mol SiO}_{2}} = \text{0.5 mol P}_{4}$

Each reactant forms 0.5 mol of P₄.

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