pre lab questions

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Question Description

please answer the pre lab questions

pre lab questions
2017_10_25_photo_00003204.jpg
pre lab questions
2017_10_25_photo_00003205.jpg

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Tutor Answer

The26thChemist
School: University of Virginia

Hey Buddy, check the attached file. Let me know.

Pre-Lab Questions:
1. Density is the mass of a substance per unit volume. It is a measure of how compact the
substance is. Since it is mass over volume:
π‘šπ‘Žπ‘ π‘ 
𝜌=
π‘£π‘œπ‘™π‘’π‘šπ‘’
The units are:

𝑔
𝑔
𝑖𝑛
𝐢𝐺𝑆
π‘ π‘¦π‘ π‘‘π‘’π‘š
=
;
π‘π‘š3
π‘šπΏ
π‘˜π‘”
𝑖𝑛 𝑆𝐼 π‘ π‘¦π‘ π‘‘π‘’π‘šπ‘ 
π‘š3

2. Specific gravity is the ratio of the density of ...

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Anonymous
Thank you! Reasonably priced given the quality not just of the tutors but the moderators too. They were helpful and accommodating given my needs.

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