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Alja [10]
3 years ago
13

NaOH volume added BEFORE the largest pH increase _______________ mL _______________ mL NaOH volume added AFTER the largest pH in

crease _______________ mL _______________ mL Volume of NaOH needed to reach the equivalence point (calculated) _______________ mL _______________ mL Moles of NaOH added _______________ mol _______________ mol Concentration of unknown acid _______________ M _______________ M Average concentration of unknown acid and % error Avg [HA] = ________________ M __________ %
Chemistry
1 answer:
Yanka [14]3 years ago
4 0

Answer:

!

Explanation:

need it too^^

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250 ml glass of lemon juice contains 20 grams of sugar. How much sugar is in 500 ml bottle
iren2701 [21]

There is 40 g of sugar in a 500 ml bottle of lemon juice

<h3>Further explanation</h3>

The concentration of a substance can be expressed in several quantities such as moles, percent (%) weight/volume,), molarity, molality, parts per million (ppm) or mole fraction. The concentration shows the amount of solute in a unit of the amount of solvent.

the concentration of sugar in lemon juice :

\tt \dfrac{20~g}{250~ml}=0.08~g/ml

So for 500 ml juice :

\tt 500\times 0.08=40~g~sugar

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3 years ago
How do water molecules move away from their H-O-H configuration to become new molecules?
maksim [4K]

Answer:

A water molecule is consists of two hydrogen atom, each bound to the central oxygen atom through a covalent chemical bond.

Water molecules can form new molecules by moving away from their H-O-H configuration due to thermal motions and rotations. <u>Thermal motions and rotations break the individual hydrogen bonds and change the  H-O-H configuration influenced by the temperature and pressure.</u>

<u />

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3 years ago
Could someone help me balance this chemical equation please
Softa [21]
Balanced equation:
Ca(OH)2+H2SO4=CaSO4+2 H20<span />
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2 years ago
A ball of mass 0.2 kg is dropped from a height of 10 m. How much mechanical energy does it have right before it hits the ground?
lana [24]

Answer:

19.6 J  

Step-by-step explanation:

Before the ball is dropped, it has a <em>potential energy </em>

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PE = 0.2 × 10 × 9.8

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Just before the ball hits the ground, the potential energy has been converted into kinetic (<em>mechanical</em>) energy.

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