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Ede4ka [16]
3 years ago
13

Why is it important to use standard measurements and units in science

Chemistry
1 answer:
saul85 [17]3 years ago
6 0

Unit' is the word used to describe how something is measured. When researching a question in science, we collect data, interpret it, and share the results with other scientists. A common measurement system allows us to make direct comparisons instead of having to know things like how much a certain animal weighs.

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How many grams of sucrose (C12H22O11) would be in 8.7 L of a 6.81M solution of sucrose
VladimirAG [237]
<h3><u>Answer;</u></h3>

= 20,280.25 g or 20.28 Kg

<h3><u>Explanation;</u></h3>

Number of moles, n = Molarity × Volume

Molarity = 6.81 M

Volume = 8.7 L

Number of moles = 6.81 × 8.7

                             = 59.247 moles

Mass = Moles × Molar mass

         = 59.247 ×  34.2 g/mol

          = 20,280.25 or

          = 20.28 Kg

7 0
3 years ago
In a compound which part is positive and what is it called?​
Nikolay [14]

Answer:

in a chemical equation if the bond is ionic its the first part that is positive and the second half of the equation is negative

Explanation:

6 0
4 years ago
Draw the structure of the grignard reagent formed from the reaction of p−bromofluorobenzene with magnesium in diethyl ether. cli
Nonamiya [84]
This is the structure. The magnesium bromide will complex with the carbanion.

8 0
4 years ago
How is mass calculated given density and volume? (1 point) Question 8 options: 1) Volume divided by volume 2) Sum of volume and
laila [671]

Answer:

3) Density multiplied by volume

Explanation:

Density:

Density is equal to the mass of substance divided by its volume.

Units:

SI unit of density is Kg/m3.

Other units are given below,

g/cm3, g/mL , kg/L

Formula:

D=m/v

D= density

m=mass

V=volume

So by rearranging this formula mass can be determine.

 d = m/v

m = d×/v

Unit of mass when volume in mL and ddensity is g/mL

m = g/mL×mL

m = g

Example:

density = 5g/mL

volume = 3 mL

mass = ?

m = d×v

m = 5g/mL ×3 mL

m = 15 g

8 0
3 years ago
Read 2 more answers
Whats the name?!?!?!??!?!?!?!?!?!?!!?!?!?!??!?!?!?!
SIZIF [17.4K]
Hydrogen i suppose is the right one
7 0
3 years ago
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