Very nearly 7.5 grams (but NOT exactly).
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Find the mass of an empty container using a balance. Fill the container with 100 ml of water and measure the mass again, The difference between the two measurements is the mass of 100 ml of water.
Density = grams/ml 1.00 g/ml = X g/5.0 ml = 5.0 grams water ============== q(joules) = mass * specific heat * change in temp. q = (5.0 grams)(4.180 J/gC)(75 C - 2.50 C) = 1515.25 Joules ---------------------------------/4.184 = 362 calories -------------------
78.7 grams
No, mL are a unit of volume and grams are a unit of mass. 1 mL of water has a mass of 1 g
75 ml = 0.075 L