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Archy [21]
3 years ago
9

Convert 0.965 moles of H2O to grams SHOW WORK

Chemistry
1 answer:
Tasya [4]3 years ago
5 0

Answer:

17.37 grams

Explanation:

mass=moles × molar mass

mass = 0.965 × 18

mass = 17.37g

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An aqueous solution at 25 °C has a pOH of 12.42. Calculate the pH. Round your answer to 2 decimal places
love history [14]

Answer:

pH=1.58

Explanation:

As we know that

pH+pOH=14

Given that pOH=12.42

we get pH=14-pOH

or pH=14-12.42

or pH=1.58

3 0
3 years ago
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If a mineral with a density of 6 g/cm3 is broken into 3, what is the density of each new piece?
mamaluj [8]

Answer:

If a mineral with a density of 6 g/cm3 is broken into 3, the density of each new piece is 6 \frac{g}{cm^{3} }

Explanation:

Density is a quantity that allows us to measure the amount of mass in a certain volume of a substance. In other words, density is the property that matter, whether solid, liquid or gas, has to compress into a given space, the amount of mass per unit volume.

As density is a physical property of matter that is defined as the ratio of an object's mass to its volume, each material or substance has its own density regardless of its size because the ratio between mass and volume is the same.

<u><em>If a mineral with a density of 6 g/cm3 is broken into 3, the density of each new piece is 6 </em></u>\frac{g}{cm^{3} }<u><em></em></u>

6 0
3 years ago
A student performing this experiment weights out 0.6680 grams of an antacid tablet. It is was determined that this tablet contai
Rufina [12.5K]

Answer:

63 wt%

Explanation:

0.4210/0.6680

3 0
3 years ago
A sample of gas at 301 Kelvin and 1.5 atmospheres has a density of 3.90 g/L. What is the molar mass of this gas? Show all of the
meriva
PV = nRTP is pressure, V is volume in L, n is number of moles, R is the gas constant,and T is temperature in K

(1.5 atm)(1 L) = (n)(.08206)(301K)

n = .06 moles in one liter

If there are 3.9 grams in .06 moles then

1/.06 x 3.9 = 64.2 grams per mol


4 0
3 years ago
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Which of these is a covalent compound?<br><br> A. LiCl<br> B. MgO<br> C. AlCl3<br> D. CO
Fiesta28 [93]

Answer:

C. AlCl3 is a covalent compound.

Explanation:

It is formed by mutual sharing of electrons between two atoms each contributing equal number of electrons to the electron pair.

3 0
3 years ago
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