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romanna [79]
4 years ago
11

The pk1, pk2, and pkr for the amino acid glutamate are 2.1, 9.5, and 4.1, respectively. at ph 11.0, glutamate would be charged p

redominantly as follows:
Chemistry
1 answer:
vfiekz [6]4 years ago
8 0
There are no answer choices
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What mass of phosphoric acid (h3po4, 98.0 g/mol) is produced from the reaction of 10.0 g of p4o10 (284 g/mol) with excess water?
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When the balanced reaction equation is:
P4O10 + 6H2O→ 4 H3PO4
when we have the mass of P4O10 = 10 g  and the molar mass of P4O10=284 g/mol & we have the molar mass of H3PO4 =98 g/mol so we can get the mass of H3PO4 by substitution by:
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Answer:

1.0 M is the concentration of hydrochloric acid.

Explanation:

HCl (aq) + NaOH (aq) \rightarrow H_2O (l) + NaCl (aq)

To calculate the concentration of acid, we use the equation given by neutralization reaction:

n_1M_1V_1=n_2M_2V_2

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n_1,M_1\text{ and }V_1 are the n-factor, molarity and volume of acid which is HCl

n_2,M_2\text{ and }V_2 are the n-factor, molarity and volume of base which is NaOH.

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n_1=1\\M_1=?\\V_1=50.0 mL\\n_2=1\\M_2=2.0 M\\V_2=25.0 mL

Putting values in above equation, we get:

1\times M_1\times 50.0 mL=1\times 2.0 M\times 25.0 mL

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1.0 M is the concentration of hydrochloric acid.

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3 years ago
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