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bulgar [2K]
3 years ago
10

Thomas collected the data in Table 1 to answer a statistical question. Which statistical question does the data in Table 1 answe

r?
Chemistry
2 answers:
saw5 [17]3 years ago
8 0

Answer:

how tall each sibling is

Explanation:

bc it says height

Nezavi [6.7K]3 years ago
6 0

Answer:

how tall each sibling is

Explanation:

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What is the ph of a solution that results from mixing 25 ml of 0.15 M hcl to 25 ml of 0.52 m nh3?
BartSMP [9]

Answer:

7.00

Explanation:

When the solutions are mixed, the HCl dissociates to form the ions H+ and Cl-. The ion H+ will react with the NH3 to form NH4+. The stoichiometry for this is 1 mol of HCl to 1 mol of H+ to 1 mol of Cl-, and 1 mol of H+ to 1 mol of NH3 to 1 mol of NH4+.

First, let's find the number of moles of each one of them, multiplying the concentration by the volume:

nH+ = 0.15 M * 25 mL = 3.75 mmol

nNH3 = 0.52 M * 25 mL = 13 mmol

So, all the H+ is consumed, and the neutralization is completed, thus pH will be the pH of the solvent (water), pH = 7.00.

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