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Ivenika [448]
3 years ago
14

A variable that is kept the same through the experiment to make the test fair

Chemistry
1 answer:
sveta [45]3 years ago
3 0
It would be the controlled variable, which is a baseline to compare your other variables too.

Hope this helps!
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What is 30g(1mol÷70g)
weqwewe [10]

0.428571429 moles is your exact answer. Hope this helps!!! (:

4 0
3 years ago
What is the molarity of 5.60 mol of sodium carbonate in 1500 ml of solution?
FrozenT [24]

Answer:

3.74 M

Explanation:

We know that molarity is moles divided by liters. The first thing to do here is convert your 1500 mL of solution to L. There's 1,000 mL in 1 L, so you need to divide 1500 by 1000:

1500 ÷ 1000 = 1.50

Now you can plug your values into the equation for molarity:

5.60 mol ÷ 1.50 L = 3.74 M

7 0
3 years ago
The identities of substances are the same before and after which type of change
Alenkinab [10]
The answer would be , a Chemical change!
5 0
3 years ago
On the reaction below, label the BSA, BSB, CA, and CB. CH3COOH + H2O → CH3COO– + H3O+
Ostrovityanka [42]

Answer:

Acid(BSA) = CH₃COOH

Base (BSB) = H₂O

Conjugate base (CB) = CH₃COO⁻

Conjugate acid (CA) = H₃O⁺

Explanation:

Equation of reaction;

CH₃COOH + H₂O → CH₃COO⁻ + H₃O⁺

Hello,

From my understanding of the question, we are required to identify the

1) Acid

2) Base

3) conjugate acid

4) conjugate base in the reaction

Acid (BSA) = CH₃COOH

Base (BSB) = H₂O

CA = conjugate acid = H₃O⁺

CB = conjugate base = CH₃COO⁻

7 0
3 years ago
H30 + = 1x10 -10m is this acid basic or neutral
gavmur [86]

Answer:Basic

Explanation:

The pH value of the acid is 10.0 which falls within the range of basic substances. A neutral substance has a pH of 7. Any substance with pH greater than 7 is basic while pH less than 7 is for Acidic

6 0
3 years ago
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