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astraxan [27]
3 years ago
13

(6.0 x 10^4) (3.1 x 10^1

Chemistry
1 answer:
myrzilka [38]3 years ago
5 0

Answer would be,1.86 x 10^4 hopefully that help you ❤

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make a 450 gram solution with the mass by mass concentration of 7% how much salt and water do you need to mix​
Elis [28]
You’d need to mix over have the mass of the 450 gram solution
3 0
3 years ago
Why do different elements have different colored flames when they are heated?
Mademuasel [1]
It depends on their energy levels.
5 0
3 years ago
PLease help me with this question
lukranit [14]
The answer is 6 because the number of chlorine is 2 so if you have 6 moles of chlorine the answer is 6
7 0
3 years ago
Read 2 more answers
If 49.0 g of O2 is mixed with 49.0 g of H2 and the mixture is ignited, what is the maximum mass of water that may be produced?
Katarina [22]

Answer:

55.2gH_2O

Explanation:

Hello!

In this case, since the reaction between hydrogen and oxygen to produce water is:

2H_2+O_2\rightarrow 2H_2O

When equal masses of each reactant go in contact to carry out the reaction, we can identify the maximum mass of yielded water as the fewest mass yielded by each reactant, just as shown below:

m_{water}^{by\ H_2}=49.0gH_2*\frac{1molH_2}{2.02gH_2}*\frac{2molH_2O}{2molH_2}*\frac{18.02gH_2O}{1molH_2O}   =170gH_2O\\\\m_{water}^{by\ O_2}=49.0gO_2*\frac{1molO_2}{32.0gO_2}*\frac{2molH_2O}{1molO_2}*\frac{18.02gH_2O}{1molH_2O}   =55.2gH_2O

Thus, since hydrogen yields more water than real, we limit the maximum mass of water to those 55.2 g yielded by oxygen as hydrogen would be in excess.

Best regards!

4 0
3 years ago
What is the overall charge of the compound frbr
sammy [17]

Answer:

Zero  

Explanation:

FrBr is an ionic compound .

Fr is in Group 1. Br is in Group 17.

The charges on the ions are +1 and -1, respectively.

The compound consists of Fr⁺Br⁻ ions.

However, there are equal numbers of + and - charges, so

The overall charge of the compound is zero.

5 0
4 years ago
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