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Nikolay [14]
3 years ago
9

Of Sr or Ba , the element with the higher first ionization energy is

Chemistry
1 answer:
Oksanka [162]3 years ago
7 0

Answer:

Sr

Explanation:

Sr has an ionization of 550 whereas Ba has an ionization of 503

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A 13.00 g sample of citric acid reacts with an excess of baking soda as shown in the equation. What is the theoretical yield of
julia-pushkina [17]
Chemical equation of the reaction between citric acid and baking soda:

C_{6}  H_{8}  O_{7} +3NaHCO_{3} -\ \textgreater \  Na_{3} C_{6} H_{5} O_{7} +3 H_{2} O+3CO_{2}

Ratios

Citric Acid        Baking soda    ->  Sodium Citrate  Water    Carbon Dioxide
C6H8O7                                                                                CO2
1 mole                                                                                     3moles

Molecular masses
Citric acid
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Carbon dioxide
12 + 2*16 =   44 g/mole

Proportion carbon dioxide / citric acid

3 * 44 g of carbon dioxide / 192 g of citric acid

132 g of carbon dioxide / 192 g of citric acid

13.00 g of citric acid * [132 g of carbon dioxide / 192 g of citric acid] =  8.94 g of carbon dioxide.

Answer: 8.94 grams.
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3 years ago
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