3 years ago

Most commercial sports drinks are

Chemistry

2 answers:

lions [1.4K]3 years ago

7 0

C. sodium poor is the answer

tatuchka [14]3 years ago

5 0

C. Sodium Poor - I took the test and got it correct

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Based on their positions in the periodic table, which two elements would most readily combine to make a stable compound? A. hydr

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D. Sodium and Chlorine

Sodium has 1 electron and Chlorine has 7 electrons. For a compound to be stable, they must have 8 electrons. NaCl = 8 electrons

Fun Fact- You eat NaCl everyday. It's table salt which you put in food.

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4 years ago

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NH3 is an example of A. an element. B. an atom. C. a mixture. D. a compound.

Keith_Richards [23]

Answer:

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4 years ago

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2. HBIO3 name this acid.

aleksandr82 [10.1K]

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3 years ago

Convert 947ml to Liters

vitfil [10]

Answer:

.947

Explanation

7 0

3 years ago

A different brand of iron tablet was analysed by Hitration with 0.0093 mol.L" potassium

Gre4nikov [31]

The concentration of iron used in the titration : 0.009 M

<h3>Further explanation</h3>

Given

Reaction

Cr₂O₇²⁻ + 6Fe²⁺ + 14H⁺ ⇒ 2Cr³⁺ + 6Fe³⁺ + 7H₂O

0.0093 mol/L potassium dichromate

200 cm³ of dilute acid, 25cm³ was used in the titration.

Required

the concentration of iron

Solution

Titration formula

C₁V₁n₁=C₂V₂n₂⇒ From equation : n₁=6n₂(1=Cr₂O₇, 2=Fe)

titration average : 33+32.05+32.15+32.1 / 4 = 32.325 cm³(ml)

25 cm³ of iron solution used in titration :

$\tt V_1=32.325~ml\\\\V_2=25~ml\\\\C_1=0.0093~M\\\\\\\\C_1.V_1.n_2=C_2.V_2.n_1\\\\0.0093\times 32.325\times 6=C_2\times 25\times 1\\\\C_2=0.07215~M$

Dilution(25 ml from 200 ml iron solution)

$\tt C_2.V_2=C_1.V_1\\\\0.007215\times 25=C_1\times 200\\\\C_1=0.009~M$

4 0

3 years ago