Question

15. How many milliliters of glycerine (density =1.26 g/mL) will have a mass of 0.75 lb? a. 175 ml b. 62 mL c. 270 mL d. 400 mL e. none of the above Ne 16. What is the density of a cubic metal if it has a mass of 31.0 g and it measures 2.50 each side? a. 2.55 b. 12.4 c. 5.75 d. 1.98 e. none of the above 17. A metal with a mass of 5.75 g was placed inside a graduated cylinder containing 25.5 mL of water; this raised the level of water to 28.0 mL. What is the density of this metal? a. 2.30 g/mLb. 2.3 g/mL c. 0.225 g/mL d. 0.368 g/mL e. none of the above

Answer 1

guen: Mass o yneo 5b As) 5 o.75x 453.592 11 C1 Ib= 453.5919) 3 40 1919 74/691 Mass Density we knas dat: Dens?ty Volume Mass Youme Thug Densia That is, Volume aytegine 340.194 3 1-26 mL 219.995238 mL 2F0ML 1

Aasules:) ubfc meta 31.09 Mags - 2.50 Cm lengt each sPde we knaw fatVolume Cu be 3 engo SRde) 2.50 cm3 16-625 am Dencity 31-0 16 625C3 1.983ch Ansues:

5.753 uen: May o metal 265ML wate linder voume watae h cylinde fchal vaume 28-0mL afte metal s plaed 1 watee of metal Voume g depaad 28.omL a5-5mL rolume 2.5mL

5.359 Demthy559 2.5mL 2.39ML (b) Ansuea