What is the largest mass that can be measured in the balance

Chemistry

1 answer:

Alexandra [31]3 years ago

5 0

610grams that is the maxium because if you do 100+500+10 which is 610

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Suppose you believe your unknown compound is NaOH, and you prepare 20 mL of a 0.1 mol/L solution of it. The stockroom provides a

Alexus [3.1K]

Answer : Volume of HCl ( in ml) is 10 ml.

Solution : Given, Concentration of NaOH = 0.1 mol/L

Volume of NaOH = 20 ml

Concentration of HCl = 0.2 mol/L

Volume of HCl = ?

Formula used : Moles = Volume × Concentration

In the reaction, we see that 1 mole of NaOH react with the 1 mole of HCl.

so,

Moles of NaOH = Moles of HCl

Moles of HCl = Moles of NaOH = Volume of NaOH ( in L) × Concentration of NaOH

Converstion ml into L : 1000 ml = 1 L

Moles of HCl = $\frac{20}{1000}$ × 0.1

= 0.002 mol

Volume of HCl = Moles / Comcentration of HCl

= $\frac{0.002 mole}{0.2mole/L}$

= 0.01 L

Volume of HCl (in ml) = 0.01 × 1000 = 10 ml

7 0

3 years ago

HELP! WILL MARK BRAINLIEST

Grace [21]

A compound is a substance composed of 2 or more chemical elements.
The model does not represent a compound because it shows two atoms of the same element combined. To be a compound the model would need to contain atoms of different element, represented by different colored balls. Therefore, the picture does not represent a compound. :)

7 0

2 years ago

Read 2 more answers

Evaluate ( a=2 b=3)...3a - 2b =

skad [1K]

Hey!

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Steps To Solve:

~Substitute

3(2) - 2(3)

~Subtract

6 - 6