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juin [17]
3 years ago
15

5 NaHCO3]

Chemistry
1 answer:
kondor19780726 [428]3 years ago
5 0
10
6
12
2
1 sodium plus one hydrogen plus one carbon pulse three oxygen equals six per molecule
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A. O CN<br> B. O NH4+<br> C. O s2-<br> D. O Cro 2-<br> Which of the following is an oxyanion?
ANEK [815]
C i think i got this off of usa test prep in class
5 0
3 years ago
5) How many Kilograms are in 12 L of Chlorine Gas?
melamori03 [73]

Answer: 0.03798 kilograms

Explanation:

According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP and contains avogadro's number 6.023\times 10^{23} of particles.

To calculate the moles, we use the equation:

\text{Number of moles}=\frac{\text{Given volume}}{\text {Molar Volume}}=\frac{12L}{22.4L}=0.535moles

1 mole of chlorine gas (Cl_2) weighs = 71 g

Thus 0.535 moles of chlorine gas (Cl_2) will weigh = \frac{71}{1}\times 0.535=37.98g=0.03798kg            (1kg=1000g)

Thus there are 0.03798 kilograms in 12 L of chlorine gas.

3 0
3 years ago
Can someone help me out
Xelga [282]
Yea the first one my guy
4 0
3 years ago
Rebekah finds that a solution of sugar in water has a volume of 1. 32 fl. Oz. How should she report this amount using the metric
goldfiish [28.3K]

Rebekah reports the volume of sugar solution using metric system as 39.1 mL. Thus, option D is correct.

The metric system has been the measurement system introduced in 1790s. The system has mediated the units for the measurement of volume, mass, length.

The volume has been the space that has been occupied by matter. The volume can be denoted with SI unit L. However, the another accepted unit for volume has been mL.

Thus, the volume of sugar solution has been reported in mL.

The given sugar solution has volume of 1.32 fl. Oz

The volume in mL can be given as:

\rm 1\;fl\;Oz=29.6\;mL\\1.32\;fl\;Oz=1.32\;\times\;29.6\;mL\\1.32\;fl\;Oz=39.1\;mL

The volume of the sugar solution reported by Rebekah on the metric scale has been 39.1 mL. Thus, option D is correct.

For more information about the metric system, refer to the link:

brainly.com/question/25011390

4 0
3 years ago
What volume will 25.2 g of He occupy at STP?
Galina-37 [17]

Answer:

The volume is 20.3

Explanation:

5 0
3 years ago
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