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Sonbull [250]
3 years ago
13

Choose the best answer. The 6.0 M HCl solution must be added to the crucible in the fume hood because

Chemistry
1 answer:
antiseptic1488 [7]3 years ago
4 0

Answer:

The answer is A

Explanation:

When nH2/nO2 =3/4 => it can cause explosion

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Answer:

1 and 4

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2 years ago
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1) Given the balance equation below. Calculate how much Na3PO4 in grams you
juin [17]

Answer:

<u>136.67 g of Na3PO4 i</u>s required to create 100 gram of NaOH.

Explanation:

The balanced equation:

Na_{3}PO_{4} + 3 KOH \rightarrow 3 NaOH + K_{3}PO_{4}

1 mole Na3PO4 = 164 g/mole (Molar mass)

1 mole NaOH = 40 g/mole (Molar mass)

Now,

1 mole of Na3PO4 produce = 3 mole of NaOH

164 g/mol of Na3PO4 produce = 3(40) g/mol of NaOH

or

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1 g/mol of NaOH is produced from =

\frac{164}{120}

100 grams of NaOH is produced from =

\frac{164}{120}\times100 gram of Na3PO4

calculate,

= 136.67 g

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Calibration curves are used to understand the instrumental response to an analyte, and to predict the concentration of analyte in a sample.

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3 years ago
Molecular formula of calcium oxide​
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Calcium oxide, commonly known as lime, is a chemical compound with the formula CaO.

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A group of students investigated the chemical
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