3 years ago

2 Truths and 1 Lie: Universe Edition

Chemistry

1 answer:

AVprozaik [17]3 years ago

7 0

Idk good luck it’s one of these choices

You might be interested in

Which of the following sulfides are insoluble? Select all that apply. Select all that apply. A. sodium sulfide lead(II) B. sulfi

Yuri [45]

Answer:

Explanation:

4 0

3 years ago

Read the statement about Mount Vesuvius. Mount Vesuvius erupted in 79 CE and destroyed the ancient city of Pompeii. Why is the s

Mamont248 [21]

Answer:

Explanation:

6 0

3 years ago

A 24.00 mL sample of a solution of Pb(ClO3)2 was diluted with water to 52.00 mL. A 17.00 mL sample of the dilute solution was fo

klio [65]

Answer:

0.238 M

Explanation:

A 17.00 mL sample of the dilute solution was found to contain 0.220 M ClO₃⁻(aq). The concentration is an intensive property, so the concentration in the 52.00 mL is also 0.220 M ClO₃⁻(aq). We can find the initial concentration of ClO₃⁻ using the dilution rule.

C₁.V₁ = C₂.V₂

C₁ × 24.00 mL = 0.220 M × 52.00 mL

C₁ = 0.477 M

The concentration of Pb(ClO₃)₂ is:

$\frac{0.477molClO_{3}^{-} }{L} \times \frac{1molPb(ClO_{3})_{2}}{2molClO_{3}^{-}} =0.238M$

4 0

3 years ago

A substance is tested and has a pH of 7.0. How would you classify it?

Alexandra [31]

Answer:

Explanation:

The substance would be classified as neutral, so C.

5 0

3 years ago

Read 2 more answers

Calculate the molar mass for oxygen gas

Sladkaya [172]

For example, the atomic mass of an oxygen atom is 16.00 amu; that means the molar mass of an oxygen atom is 16.00 g/mol. Further, if you have 16.00 grams of oxygen atoms, you know from the definition of a mole that your sample contains 6.022 x 10^23 oxygen atoms.

8 0

3 years ago