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pochemuha
3 years ago
10

Identify the reactants in the equation below. HgO = Hg + O2 HELP ASAP

Chemistry
1 answer:
MA_775_DIABLO [31]3 years ago
8 0

Answer:

The reactants in this equation is HgO.

Explanation:

The reactants are the substances to the left of the arrow (equal sign) in an equation.

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How many grams of NaF form when 0.589 mol of HF react with excess Na2SiO3?
BartSMP [9]

Answer:

6.18 g

Explanation:

We know we will need a balanced equation with masses, moles, and molar masses, so let’s gather all the information in one place.

M_r:                                             41.99  

                 Na₂SiO₃ + 8HF ⟶ 2NaF + H₂SiF₆ + 3H₂O  

<em>n</em>/mol:                         0.58    

1. Use the molar ratio of NaF:HF to calculate the moles of NaF.

\text{Moles of NaF} = \text{0.589 mol HF} \times \frac{\text{2 mol NaF}}{\text{8 mol HF}} = \text{0.1472 mol NaF}

2. Use the molar mass of NaF to calculate the mass of NaF.

\text{Mass of NaF} = \text{0.1472 mol NaF} \times \frac{\text{41.99 g NaF}}{\text{1 mol NaF}} = \text{6.18 g NaF}

8 0
3 years ago
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