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shtirl [24]
3 years ago
15

What 2 factors increase the validity of a scientific experiment?

Chemistry
2 answers:
zalisa [80]3 years ago
8 0

Answer:

You can increase the validity of an experiment by controlling more variables, improving measurement technique, increasing randomization to reduce sample bias, blinding the experiment, and adding control or placebo groups.

Explanation:

Nimfa-mama [501]3 years ago
7 0

Answer:

Controlling more variables and improving measurement technique.

Btw, I like your profile picture lol

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What is the mass, in grams, 6.5 mol of sodium nitrate (nano3)? please show all work?
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Mass is the property of a physical body and the resistance to acceleration when a net force is applied on the body.  
The atomic mass of sodium (Na) is = 22.98 
The atomic mass of nitrate (N) is = 14.00 
The atomic mass of oxygen (O) is = 15.99  
The sodium nitrate (NaNO3) consists of the atomic masses of Na+N+(O)3 = 85 grams  
Therefore, the mass of 6.5 mol of sodium nitrate is = 6.5 * 1 mol of NaNO3 
 = 6.5 * (85) 
 = 552.50 grams
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Which determines the reactivity of an alkali metal?
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