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bogdanovich [222]
3 years ago
12

What element has greatest atomic radius from group 3?

Chemistry
1 answer:
stira [4]3 years ago
6 0

Answer:

i think iron

Explanation:

i not sure with my ans

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What is the number of moles in 432g Ba(NO3)2
777dan777 [17]

First there is a need to calculate the molar mass of Ba(NO₃)₂:

137.3 + 2 (14.0) + 6 (16) = 261.3 grams/mole

The molar mass, denoted by M in chemistry refers to a physical characteristic illustrated as the mass of a given component divided by the amount of the component. The molar masses are always denoted in grams/mole.

After finding the molar mass, the number of moles can be identified as:

432 grams / 261.3 g/mol = 1.65 moles of Ba(NO₃)₂.

3 0
3 years ago
A resistor is placed in a circuit. The voltage of the circuit is changed and the current is measured. The graph seen here shows
Arturiano [62]
Answer- 2 Ohms

explain- i took the test!
6 0
2 years ago
Determine the density of gold if a 475.09g sample occupy a space of 24.6cm^3
Ira Lisetskai [31]

Answer:

The answer is

<h2>19.31 g/cm³</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume}

From the question

mass of gold = 475.09g

volume = 24.6 cm³

The density of the gold is

density =  \frac{475.09}{24 .6}  \\  = 19.3126016...

We have the final answer as

<h3>19.31 g/cm³</h3>

Hope this helps you

6 0
3 years ago
What kind of mixture is formed by stirring a small amount of table salt into water until the salt all dissolves?
ycow [4]
A solution

Hope this helps!
3 0
3 years ago
How many moles of sulfur are needed to produce 15.0 mol of sulfur dioxide?
Brut [27]
<span>S + O2 =  SO2

1 mole S ------------- 1 mole SO2
( moles S ) --------- 15.0 moles SO2

moles S = 15.0 x 1 / 1

moles S = 15.0 / 1

= 15.0 moles S</span>
4 0
3 years ago
Read 2 more answers
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