Determine the volume in liters occupied by 0.030 moles of a gas at STP

Chemistry

2 answers:

vitfil [10]2 years ago

7 0

Answer:

.67 L

Explanation:

.030 mol x 22.4 L / 1 mol = .67 L

22.4 was used because that is what 1 mol equals for a gas at stp.

Greeley [361]2 years ago

5 0

Answer:

Mole-Volume Conversions 1. Determine the volume, in liters, occupied by 0.030 moles of a gas at STP. 2. How many moles of argon atoms are present in 11.2 L of argon gas at STE 3. What is the volume of 0.80 mol of neon gas at STP? 4. What is the volume of 2.3 moles of water vapor at STP? Mixed Mole Conversions 1. How many oxygen molecules are in 3.36 L of oxygen gas at STP? 2. Find the mass in grams of 2.213 x 1023 molecules of F2. 3. Determine the volume in liters occupied by 12.2 g of nitrogen gas at STP.

Explanation:

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What is the ph of a buffer prepared by adding 0.809 mol of the weak acid ha to 0.608 mol of naa in 2.00 l of solution? The disso

Anarel [89]

The pH of the buffer is 6.1236.

Explanation:

The strength of any acid solution can be obtained by determining their pH. Even the buffer solution strength of the weak acid can be determined using pH. As the dissociation constant is given, we can determine the pKa value as the negative log of dissociation constant value.

$pKa=-log[H] = - log [ 5.66 * 10^{-7}]\\ \\pka = 7 - log (5.66)=7-0.753=6.247\\\\pka = 6.247$