3 years ago

Convert 3.55 grams potassium to atoms

1 answer:

6 0

Firstly, you'll need to convert the grams into number of mols. Since no. of mol = mass/molecular weight3.55/39.1 = 0.09079 mol because 1 mol of potassium ...

You might be interested in

PLZ help i do know the answer to this already from another brainly question but i just would like to understand how its solved s

amm1812

Answer:

66.56 cm

Step-by-step explanation:

The figure consist of:

1. A rectangle with sides 10 cm and 17 cm
2. A quarter circle

The perimeter is:

P = 1/4C + 2*10 + 17 + (17 - 8) + 8
P = 1/4*2*3.14*8 + 54 = 66.56 cm

4 0

2 years ago

3a+4b= c solve for b

Alina [70]

Answer:

b = (c - 3a)/4

Step-by-step explanation:

3a + 4b = c

4b = c - 3a

b = (c - 3a)/4

6 0

2 years ago

The length of a rectangle is 6 meters more than its width. The area of the rectangle is 114 square meters. Which of the followin

Leno4ka [110]

Answer:

last one

Step-by-step explanation:

x = width

x+6 = length

Area = length times width

x(x + 6) = $x^{2}$ + 6x

$x^{2}$ + 6x = 114 (subtract 114 from both sides)

$x^{2}$ + 6x -114 = 0

8 0

2 years ago

What is the geometric sequence? 2,3,4.5?

kykrilka [37]

An=a12n-1 or an=(1)2n-1

7 0

3 years ago

each truck in the line weigh two tons more than the truck before it. the trucks weigh a total of 32 tons.how many pounds does a

mixer [17]

If there are 4 trucks then the first truck weighs x
then x+2tons
then x+4tons
then x+6tons = 32tons
so 4x+12=32
-12 -12
/4 /4
x=5
so plug it back in
truck 1= 5tons or 10,000lbs
truck 2= 7tons or 14,000lbs
truck 3= 9tons or 18,000lbs
truck 4= 11tons or 22,000lbs

6 0

3 years ago