3 years ago

Explain why potassium and argon react together

1 answer:

5 0

Because they obtain different properties that have explosive reactions to one another

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oksian1 [2.3K]

Answer : The $866.66\mu L$ must be administered.

Solution :

As we are given that a vial containing radioactive selenium-75 has an activity of $3.0mCi/mL$ .

As, 3.0 mCi radioactive selenium-75 present in 1 ml

So, 2.6 mCi radioactive selenium-75 present in $\frac{2.6mCi}{3.0mCi}\times 1ml=0.86666ml\times 1000=866.66\mu L$

Conversion :

$(1ml=1000\mu L)$

Therefore, the $866.66\mu L$ must be administered.

4 0

3 years ago

Mumz [18]

NH4NO3 b) C8H8O4 c) O3 d) C3H5(NO3)3

4 0

4 years ago

anyanavicka [17]

Answer:

1121.08 millilitres of 0.223 M $KNO_{3}$ solution contains 0.250 moles of $KNO_{3}$ .

Explanation:

The formula for molarity of a solution:

$Molarity=\frac{n}{V}\\ where,n=number\: of\:moles\\V=volume\:of\:solution\:in\:L$

Molarity = 0.223 M

n = 0.250 moles

$V=\frac{n}{Molarity}=\frac{0.250}{0.223}=1.12108L=1121.08mL$

Therefore, 1121.08 millilitres of 0.223 M $KNO_{3}$ solution contains 0.250 moles of $KNO_{3}$ .

6 0

3 years ago

Westkost [7]

The answer is it lost the hydrogen ;)

7 0

3 years ago

malfutka [58]

What is the experiment

8 0

4 years ago